All Patents of Type: geared braces |
Patents 1 -
15
of 16
|
Number | Date | Patentee | Title | Type |
49,758 | Sep. 05, 1865 | J.A. House, H.A. House | Bit stock with chain-driven gear multiplication | geared braces |
191,815 | Jun. 12, 1877 | D. Powers | Bit-stock with gear-train multiplier | geared braces |
268,284 | Nov. 28, 1882 | J.D. Richardson | Tool-stock | geared braces |
305,054 | Sep. 16, 1884 | E.B. Dake, W.F. Dake | Bit-brace (geared) | geared braces |
305,090 | Sep. 16, 1884 | A.J. Maughlin, W.C. Marr | Bit-stock (unusual, geared) | geared braces |
317,187 | May 05, 1885 | J.T. Pedersen | Bit-brace | geared braces |
361,488 | Apr. 19, 1887 | S.J. Cilley, T.F. Carroll | Bit-stock (with internal gearing) | geared braces |
417,564 | Dec. 17, 1889 | A.A. Kent | Bit-stock | hand drills |
500,382 | Jun. 27, 1893 | D.M. Fulton | Ratchet brace for drills (double crank gear mechanism) | geared braces |
801,566 | Oct. 10, 1905 | P.B. Bloedel, A. Bennett | Brace-drill | geared braces |
863,927 | Aug. 20, 1907 | A. Larsen | Bit-brace (geared) | geared braces |
953,518 | Mar. 29, 1910 | C.R. Cousino | Bit-brace (geared) | geared braces |
988,263 | Mar. 28, 1911 | O.B. Hanson | Attachment for bit braces | geared braces |
1,148,365 | Jul. 27, 1915 | J. Duval | Speed Drill | geared braces |
1,294,216 | Feb. 11, 1919 | J.P. Zarek | Changeable-speed brace | geared braces |