| All Patents in class 81/177.75 |
Patents 16 -
27
of 27
      |
| Number | Date | Patentee | Title | Type |
| 1,566,849 | Dec. 22, 1925 | W.R. Fox | Coupling for flexible shafting | |
| 1,643,855 | Sep. 27, 1927 | J.N. Peterson | Socket Wrench | socket wrenches |
| 1,662,424 | Mar. 13, 1928 | J.J. Judge | Multiple tool | combination tools |
| 1,775,402 | Sep. 09, 1930 | S. Mandl | Wrench Outfit | socket wrenches |
| 1,978,590 | Oct. 30, 1934 | N.F. McNaught, E.H. Peterson | Wrench joint | |
| 2,005,202 | Jun. 18, 1935 | E.F. Pilger | Universal Joint | wrench handle components |
| 2,196,297 | Apr. 09, 1940 | G.R. Gagne | Tool Handle Joint and the Like | tool handles |
| 2,256,624 | Sep. 23, 1941 | W.H. Odlum | Wrench joint | |
| 2,304,766 | Dec. 08, 1942 | L.E. Pratt | Universal Coupling | wrench components |
| 2,327,821 | Aug. 24, 1943 | T.O. Rueb | Universal Joint Friction Attachment | universal joint sockets |
| 2,334,039 | Nov. 09, 1943 | T.O. Rueb | Friction Joint | universal joint sockets |
| 4,936,701 | Jun. 26, 1990 | J.S. Amtmann, K.D. Allen | Universal Joint with Rotating Holder Sleeve | socket wrenches |
