| Patents for William J. Firth |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 703,749 | Jul. 01, 1902 | E.B. Stimpson | Adjustable guide | shoe and boot making machines |
| 831,901 | Sep. 25, 1906 | E.B. Stimpson | Fastener | |
| 890,191 | Jun. 09, 1908 | E.B. Stimpson | Antiskidding device | vehicle tires |
| 897,319 | Sep. 01, 1908 | E.B. Stimpson | Stud or rivet | vehicle tires |
| 900,445 | Oct. 06, 1908 | E.B. Stimpson | Garment-fastener | cobbler |
| 935,330 | Sep. 28, 1909 | E.B. Stimpson | Antiskidding device | vehicle tires |
| 940,083 | Nov. 16, 1909 | E.B. Stimpson | Stud or rivet | vehicle tires |
| 945,057 | Jan. 04, 1910 | E.B. Stimpson | Antiskidding device | vehicle tires |
| 984,499 | Feb. 14, 1911 | E.B. Stimpson | Antiskidding device | vehicle tires |
| 990,405 | Apr. 25, 1911 | E.B. Stimpson | Riveting-machine | riveting machines |
| 1,013,625 | Jan. 02, 1912 | E.B. Stimpson | Rivet | rivets |
