| Patents for Peter A. Ross |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 481,241 | Aug. 23, 1892 | J.S. Negus | Ship's Log | |
| 485,402 | Nov. 01, 1892 | F.W. Wohlfert | Separable Square | carpenter squares |
| 486,651 | Nov. 22, 1892 | L.T. Weiss | Speed Indicator | wheel-based measurers |
| 487,692 | Dec. 06, 1892 | A. Beaudry | Power-hammer | drop hammers |
| 504,814 | Sep. 12, 1893 | A.E. McDonald | Portable Hat Iron | milliner |
| 505,582 | Sep. 26, 1893 | L.T. Weiss | Speed Measure | measurement gauges |
| 526,370 | Sep. 25, 1894 | A. Beaudry | Power Hammer | power hammers |
| 545,763 | Sep. 03, 1895 | A. Beaudry | Power Hammer | power hammers |
| 585,184 | Jun. 29, 1897 | G.R. Clarke | Calipers | measurement gauges |
| 585,443 | Jun. 29, 1897 | A.E. Jenks | Wrench | quick adjust wrenches |
| 623,337 | Apr. 18, 1899 | B.I. Rydberg | Wrench | pliers type wrenches |
| 651,126 | Jun. 05, 1900 | E.B. Stimpson | Envelop-fastening device | |
| 665,701 | Jan. 08, 1901 | E.B. Stimpson | Tip for boots or shoes | cobbler |
| 665,702 | Jan. 08, 1901 | E.B. Stimpson | Gang punching-machine | shoe and boot making machines |
| 676,781 | Jun. 18, 1901 | E.B. Stimpson | Bevel-cutting and punching machine | shoe and boot making machines |
