| Patents for H. Walker |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 410,384 | Sep. 03, 1889 | C.A. Swanson | Wrench | alligator wrenches |
| 424,173 | Mar. 25, 1890 | E.W. Brown | Jack for Supporting Clapboards | clapboard markers |
| 428,360 | May 20, 1890 | J. Wilkinson | Tool Attachment for Planners | |
| 430,814 | Jun. 24, 1890 | J. Sullivan | Hub Clamp And Wrench Combined | axle nut wrenches that lock nut to wheel hub |
| 442,057 | Dec. 02, 1890 | W. King | Belt Tightener | |
| 455,196 | Jun. 30, 1891 | W.E. Kelvie, C.F. Fulmer | Planer Chuck | metal planer chucks |
| 459,679 | Sep. 15, 1891 | D.J. Doane | Sliding Gage for Stonecutters' Use | special purpose gauges |
| 461,714 | Oct. 20, 1891 | J. Ryan | Pipe Wrench | pipe wrenches |
| 476,079 | May 31, 1892 | J. Ryan | Wrench | wrench handle components |
| 482,198 | Sep. 06, 1892 | J. Ryan | Improvement in Pipe-Wrenches | quick adjust wrenches |
| 528,759 | Nov. 06, 1894 | H.V. Bernhardt | Automatic Stop for Micrometer Gages | micrometers |
| 538,119 | Apr. 23, 1895 | J.B. Olney | Billiard Cue Cutter | |
| 556,237 | Mar. 10, 1896 | I.F. Allman | Vapor Engine | |
| 585,504 | Jun. 29, 1897 | L.S. Brown | Gas Engine | |
| 604,972 | May 31, 1898 | H.W. Denison | Wire Fence Tool | |
