| Patents for Thomas F. Welch |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 643,344 | Feb. 13, 1900 | I.S. Bailey | Draw-Knife | draw knives |
| D33,079 | Aug. 14, 1900 | W.S. Ward | Member For Carpenters' Pincers | carpenter |
| D33,468 | Oct. 30, 1900 | A. Shepard | Design for a Wrench Member | wrench handle components |
| 666,029 | Jan. 15, 1901 | A. Shepard | Wrench | nut wrenches |
| D34,136 | Feb. 26, 1901 | W.S. Ward | Design For a Wrench Member | wrench handle components |
| 780,787 | Jan. 24, 1905 | R.C. Ellrich | Wrench | wrench handle components |
| 809,936 | Jan. 16, 1906 | R.C. Ellrich | Bit-brace jaw | brace chucks |
| D37,896 | Mar. 13, 1906 | G.E. Wood | Design | screwdriver handles |
| 855,292 | May 28, 1907 | R.C. Ellrich | Ratchet Mechanism | ratchet braces |
| 880,870 | Mar. 03, 1908 | R.C. Ellrich | Ratchet Mechanism | ratchet braces |
| 1,069,215 | Aug. 05, 1913 | G.E. Wood | Method of Forming Tools (Method to avoid injury to the handle while securing it in place) | screwdriver handles |
| 1,121,195 | Dec. 15, 1914 | N.B. McGrath | "Hold Fast" Bevel | bevels |
