Patents

When researching the razors in my collection one of the things that I search for is to see if it has any Patents applicable to it.

These are the patents that I've found while doing those searches. I've listed them in date order (oldest to newest) with links to the patents and the razor itself.

DATE GRANTED PATENT NUMBER Country RAZOR LINK     
1911 July 18 US998009 U.S.A. Krytyk
1913 January 21 US1051094 U.S.A. Finney   or   Superman
1918 January 22 US1254037 U.S.A. AC Penn with Twist Knob
1918 December 17 US1288049 U.S.A. AC Penn with Lever
1920 August 05 GB148581 Great Britian Gnat
1922 April 07 GB156704 Great Britian AC Penn With Twist Knob
1926 January 28 US1639441 U.S.A. Ryley Resilient Razor
1931 March 05 GB344280 Great Britian Eclipse Red ring
1931 November 03 US1830576 U.S.A. Swing Sliding Lock
1932 September 27 US1879900 U.S.A. Cooper Monobilt
1932 September 29 GB380958 Great Britian Eclipse Red ring
1933 June 19 FR751456 France Famex
1933 October 31 US1933186 U.S.A. Ryley Resilient Razor
1934 November 13 US1980202 U.S.A. Cooper Monobilt
1935 August 12 FR789077 France Gibbs Reglable
1936 August 19 FR801804 France LeCoq (Palmer)
1937 January 12 FR807430 France Bohin
1937 April 12 FR815699 France Famex
1937 June 21 FR818474 France Gibbs Reglable
1938 January 25 US2106587 U.S.A. Bates
1938 May 03 US2116190 U.S.A. Davis Rythmic
1938 June 02 DE660801 Germany RAP
1938 August 30 CA376116 Canada Davis Rythmic
1939 January 06 DE669899 Germany Walbusch B5
1946 January 22 US2393366 U.S.A. Grant Hammond
1951 August 30 DE812402 Germany Apollo Mikron - Gen 1
1953 March 10 DE1653239 Germany Klinco Gummi-Elastisch
1958 May 14 DE1030221 Germany Apollo Mikron - Gen 3
1958 August 26 US2848806 U.S.A. Gillette Serial Toggle
1958 August 26 US2848807 U.S.A. Gillette Bottom Dial
1960 May 03 US2934821 U.S.A. Gillette Standard Toggle
1965 August 31 US3203093 U.S.A. Schick Injectors
1966 December 27 US3293745 U.S.A. Schick Krona Adjustable
1967 February 07 US3302284 U.S.A. Schick Krona Adjustable
1968 January 16 US3363313 U.S.A. Schick Krona Adjustable
1985 June 20 DE3344364A1 Germany Merkur Futur
2016 March 17 US2016075040A1 U.S.A. Rockwell 6s   or   Rockwell 6C
2017 May 30 US D788367S U.S.A. Rockwell 6s   or   Rockwell 6C
2019 February 19 US D841241S U.S.A. Rockwell Model T (v1)
2020 October 29 USD10807256B2 U.S.A. Rockwell 6s   or   Rockwell 6C
2022 June 28 PT 116974 A Portugal Tatara Muramasa