Patents for James F. Williamson |
Patents 1 -
6
of 6
|
Number | Date | Patentee | Title | Type |
389,382 | Sep. 11, 1888 | J. Grime | Valve Gear for Engines | steam engine valve gear |
389,816 | Sep. 18, 1888 | F.O. Kilgore | Automatically-adjustable press-roll for gang-saw mills | reciprocating sawmills |
414,655 | Nov. 05, 1889 | M.C. Patrick | Miter-box | miter boxes |
471,125 | Mar. 22, 1892 | F.O. Kilgore | Gang-saw mill | reciprocating sawmills |
640,458 | Jan. 02, 1900 | F.S. Farr | Double-acting bandsaw mill | band sawmills |
640,459 | Jan. 02, 1900 | F.S. Farr | Saw-carrying wheel for bandsaw mills | band sawmills |