| Patents for H. Walker |
Patents 1 -
10
of 21
      |
| Picture | Number | Date | Patentee | Title |
 | 410,384 | Sep. 03, 1889 | C.A. Swanson | Wrench |
 | 424,173 | Mar. 25, 1890 | E.W. Brown | Jack for Supporting Clapboards |
| | 428,360 | May 20, 1890 | J. Wilkinson | Tool Attachment for Planners |
 | 430,814 | Jun. 24, 1890 | J. Sullivan | Hub Clamp And Wrench Combined |
 | 442,057 | Dec. 02, 1890 | W. King | Belt Tightener |
 | 455,196 | Jun. 30, 1891 | W.E. Kelvie, C.F. Fulmer | Planer Chuck |
 | 459,679 | Sep. 15, 1891 | D.J. Doane | Sliding Gage for Stonecutters' Use |
 | 461,714 | Oct. 20, 1891 | J. Ryan | Pipe Wrench |
 | 476,079 | May 31, 1892 | J. Ryan | Wrench |
 | 482,198 | Sep. 06, 1892 | J. Ryan | Improvement in Pipe-Wrenches |
