Patents in the B26B21/28 category
1935 — Fasan Slant — Swiss Patent
Patent CH180747
Invention Zweischneidiger Sicherkeitsrasierhobel
Filed Saturday, 16th June 1934
Published Friday, 15th November 1935
Inventor Walter Osberghaus
Language German
Patent CH188938
Invention Rasierapparat
Filed Friday, 28th February 1936
Published Sunday, 31st January 1937
Inventor Walter Busch
Language German
Other countries GB469720
Patent CH191902
Invention Rasierapparat
Filed Friday, 12th June 1936
Published Thursday, 15th July 1937
Inventor Willi Steiger
Language German
Patent CH209115
Invention Rasierapparat
Filed Monday, 13th February 1939
Published Friday, 15th March 1940
Inventor Willi Steiger
Language German
Patent CH226074
Invention Sicherheits-Rasierapparat
Filed Friday, 1st March 1940
Published Monday, 15th March 1943
Inventor Willi Steiger
Language German
1938 — Fasan Slant — German Patent
Patent DE665265
Invention Rasierhobel, bei welchem der ziehende Schnitt durch Verwindung der Anlagefläche erzielt wird
Filed Tuesday, 4th April 1933
Published Thursday, 1st September 1938
Inventor Walter Osberghaus
Language German
Patent GB298877
Invention Improvements in or relating to Safety Razors
Filed Monday, 7th May 1928
Published Thursday, 18th October 1928
Inventor Ralph Sneyd Kynnersley
Language English
Patent GB402154
Invention Improvements in or relating to Safety Razor Frames
Filed Thursday, 2nd June 1932
Published Thursday, 30th November 1933
Inventor Jesse Booth
Language English
Patent GB469720
Invention Improvements in or relating to Safety Razors
Filed Monday, 8th February 1937
Published Friday, 30th July 1937
Inventor Walter Busch
Language English
Other countries CH188938
1938 — Apollo travel slant razor with blades in handle
Patent GB485747
Invention Improvements in or relating to Safety Razors
Filed Friday, 4th February 1938
Published Tuesday, 24th May 1938
Inventors Eugen and Friedrich Herkenrath, Paul Lauterjung
Language English
Patent GB191403504
Invention Improvements in Safety Razors
Filed Wednesday, 11th February 1914
Published Thursday, 10th September 1914
Inventor Thomas Wild
Language English
Other countries US1171290
One of the first, if not the first patent for a torqued blade slant razor.
1936 — Fasan Slant — Dutch Patent
Patent NL38565
Invention Veiligheidsscheerapparaat voor het verkrijgen van een trekkende snede met een tusschen een schermplaat en een dekplaat ingeklemd mes.
Filed Friday, 27th April 1934
Published Saturday, 15th February 1936
Inventor Walter Osberghaus
Language Dutch
1880 — Moody's Twin-Blade Razor
Patent US228829
Invention Razor
Filed Thursday, 15th April 1880
Published Tuesday, 15th June 1880
Inventor Charles D. Moody
Owner Charles B. Wilson
Language English
1905 — Swivel Head Slant Razor
Patent US794934
Invention Safety-Razor
Filed Wednesday, 21st December 1904
Published Tuesday, 18th July 1905
Inventor Leonard Budd Gaylor
Language English
Patent US831259
Invention Safety-Razor
Filed Monday, 5th February 1906
Published Tuesday, 18th September 1906
Inventor Charles F. Bingler
Language English
1907 — Slant Razor with Triangular Blade
Patent US845628
Invention Safety-Razor
Filed Friday, 9th June 1905
Published Tuesday, 26th February 1907
Inventor Leonard Budd Gaylor
Language English
1908 — Single Edge Slant Razor
Patent US901062
Invention Safety-Razor
Filed Saturday, 21st December 1907
Published Tuesday, 13th October 1908
Inventors Thomas Addison Bell, Ellis Jerome Uhle
Language English
1911 — Croscut Single Edge Slant Razor
Patent US1013034
Invention Safety-Razor
Filed Thursday, 31st August 1911
Published Tuesday, 26th December 1911
Inventor Richard Marx
Language English
A single edge slant razor
Patent US1171290
Invention Safety-Razor
Filed Saturday, 6th February 1915
Published Tuesday, 8th February 1916
Inventor Thomas Wild
Language English
Other countries GB191403504
Patent US1858260
Invention Safety Razor
Filed Tuesday, 6th August 1929
Published Tuesday, 17th May 1932
Inventor John W. Ashworth
Owner Ashworth Advertising Company
Language English
Patent US2026229
Invention Safety Razor
Filed Friday, 15th December 1933
Published Tuesday, 31st December 1935
Inventor Chester Arthur Gratiot
Language English
1938 — Fasan Slant — US patent
Patent US2129022
Invention Double Edged Safety Razor
Filed Tuesday, 28th August 1934
Published Tuesday, 6th September 1938
Inventor Walter Osberghaus
Language English