| Patents for Peter A. Ross |
Patents 1 -
10
of 20
      |
| Picture | Number | Date | Patentee | Title |
 | 481,241 | Aug. 23, 1892 | J.S. Negus | Ship's Log |
 | 485,402 | Nov. 01, 1892 | F.W. Wohlfert | Separable Square |
 | 486,651 | Nov. 22, 1892 | L.T. Weiss | Speed Indicator |
 | 487,692 | Dec. 06, 1892 | A. Beaudry | Power-hammer |
| | 504,814 | Sep. 12, 1893 | A.E. McDonald | Portable Hat Iron |
 | 505,582 | Sep. 26, 1893 | L.T. Weiss | Speed Measure |
 | 526,370 | Sep. 25, 1894 | A. Beaudry | Power Hammer |
 | 545,763 | Sep. 03, 1895 | A. Beaudry | Power Hammer |
 | 585,184 | Jun. 29, 1897 | G.R. Clarke | Calipers |
 | 585,443 | Jun. 29, 1897 | A.E. Jenks | Wrench |
