Patents for William M. Ferry |
Patents 1 -
6
of 6
|
Number | Date | Patentee | Title | Type |
113,865 | Apr. 18, 1871 | W.M. Ferry | Improvement in saw-mills | sawmill carriages |
113,866 | Apr. 18, 1871 | W.M. Ferry | Improvement in saw-mills | sawmill headblocks |
139,142 | May 20, 1873 | W.M. Ferry, O.H. Gronberg | Improvement in edging-machines | circular ripsaws |
158,693 | Jan. 12, 1875 | W.M. Ferry | Improvement in saw-mill dogs | sawmill dogs |
173,907 | Feb. 22, 1876 | J. Collins | Improvement in saw-guides for circular-saw mills | circular sawmills |
173,927 | Feb. 22, 1876 | W.M. Ferry | Improvement in saw-guides for circular-saw mills | circular sawmills |