| Patents for Peter Ambler |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 133,573 | Dec. 03, 1872 | M.L. Edwards | Improvement in Hollow Augers | hollow bits |
| 141,731 | Aug. 12, 1873 | A.R. Silver | Improvement in Meat-Choppers | butcher |
| 150,900 | May 12, 1874 | A.R. Silver, E.W. Fawcett | Improvement in clamps | C clamps |
| 151,444 | May 26, 1874 | E.W. Fawcett, A.R. Silver | Improvement in Metal Drilling Machines | drill presses |
| 157,202 | Nov. 24, 1874 | N. Hunt | Improvement in saw-mill dogs | sawmill dogs |
| 162,637 | Apr. 27, 1875 | E.W. Fawcett | Improvement in straw-cutters | hay or straw cutters |
| 167,364 | Aug. 31, 1875 | J.W. Thompson | Indicator for Steam Engines | steam engine indicators |
| 195,994 | Oct. 09, 1877 | M.L. Edwards | Improvement in clamps | C clamps |
| 249,912 | Nov. 22, 1881 | G.M. Smith, M.L. Edwards | Tuyere | blacksmith |
| 251,899 | Jan. 03, 1882 | B.S. Koll | Stove-lid | stoves |
| 364,207 | Jun. 07, 1887 | C.W. Barnaby | Steam-engine valve | steam engine valves |
