All Patents in class 81/31 |
Patents 16 -
22
of 22
|
Number | Date | Patentee | Title | Type |
1,436,640 | Nov. 28, 1922 | J.C. Blevney | Ratchet tool | |
1,436,641 | Nov. 28, 1922 | J.C. Blevney | Ratchet tool | |
1,825,936 | Oct. 06, 1931 | C. Bodmer | Ratchet mechanism | |
2,058,855 | Oct. 27, 1936 | J.W. Chapman | Yankee 3400 | ratcheting screwdrivers |
CA-522,892 | Mar. 20, 1956 | P.W. Sandrock, G.C. Fratz | Tool Handle | wrench handle components |
CA-524,280 | Apr. 24, 1956 | P.W. Sandrock, G.C. Fratz | Tool Handle Attachment and Method of Making It | wrench handle components |
2,818,739 | Jan. 07, 1958 | V.O. Dowdle | Squeeze driven rotating device | spiral screwdrivers |