| Patents for Howard D. Orr |
Patents 1 -
10
of 23
      |
| Picture | Number | Date | Patentee | Title |
 | 644,089 | Feb. 27, 1900 | M.H. McCaulon | Wrench |
 | 690,407 | Jan. 07, 1902 | F.W. Dent | Wrench |
 | 690,595 | Jan. 07, 1902 | A.C. Maeder | Weather-Board Marker |
 | 722,637 | Mar. 10, 1903 | J.D. Smith | Tire-Bolt Wrench |
 | 722,665 | Mar. 17, 1903 | M. Barber | Wrench |
 | 723,981 | Mar. 31, 1903 | M.R. Botkin | Sewing Awl |
 | 754,069 | Mar. 08, 1904 | W.R. Johnson | Thresher-Cylinder Nut Wrench |
 | 769,908 | Sep. 13, 1904 | C.E. Lamb | Calipers |
 | 786,000 | Mar. 28, 1905 | M.R. Botkin | Sewing Awl |
 | 824,821 | Jul. 03, 1906 | E.L. Roberts, G.W. Roberts | Attachment for Combination Square |
