Patents for Henry K. Porter |
Patents 1 -
9
of 9
|
Number | Date | Patentee | Title | Type |
72,327 | Dec. 17, 1867 | H.K. Porter, T.W. Porter | Improvement in vises | bench vises |
103,925 | Jun. 07, 1870 | H.K. Porter | Improvement in saw-set | saw sets |
103,926 | Jun. 07, 1870 | H.K. Porter | Improvement in calipers | calipers |
104,995 | Jul. 05, 1870 | H.K. Porter | Lathe Center | metal lathe accessories and attachments |
RE5,653 | Nov. 11, 1873 | H.K. Porter, T.W. Porter | Improvement in vises | bench vises |
226,190 | Apr. 06, 1880 | H.K. Porter | Bolt-cutter | bolt cutters |
236,695 | Jan. 18, 1881 | H.K. Porter | Bolt-cutter | bolt cutters |
484,670 | Oct. 18, 1892 | H.K. Porter | Bolt-clipper | bolt cutters |
909,663 | Jan. 12, 1909 | H.K. Porter | Bolt Clipper | bolt and rivet cutters |