Patents for A. D. Harrison |
Patents 1 -
10
of 39
      |
Picture | Number | Date | Patentee | Title |
 | 352,070 | Nov. 02, 1886 | A.R. Robertson | Magnetic Tack-Hammer |
 | 377,448 | Feb. 07, 1888 | J.O. Brown | Tree-protector |
 | 389,792 | Sep. 18, 1888 | C.A. Chandler | Vise |
 | 396,513 | Jan. 22, 1889 | J.A. Saucier | Planing-machine |
 | 406,815 | Jul. 09, 1889 | C.A. Chandler | Vise |
 | 413,961 | Oct. 29, 1889 | D.R. Porter | Pipe Wrench |
 | 421,598 | Feb. 18, 1890 | J. Monto | Pliers |
 | 426,956 | Apr. 29, 1890 | D.R. Porter | Improved Pipe Wrench |
 | 431,422 | Jul. 01, 1890 | J. Watrous | Pencil-sharpener |
 | 432,791 | Jul. 22, 1890 | D.H. Church | Lathe for Turning Pinion Shafts |