| Patents for George G. Porter |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 829,669 | Aug. 28, 1906 | G.G. Porter | Device for governing the flow of fluids | |
| 874,989 | Dec. 31, 1907 | G.G. Porter | Steering-gear | |
| 943,845 | Dec. 21, 1909 | F.E. Cable, G.G. Porter | Universal milling attachment | milling machines |
| 1,012,430 | Dec. 19, 1911 | G.G. Porter, F.E. Cable | High-speed attachment for milling-machines | milling machine accessories |
| 1,196,024 | Aug. 29, 1916 | F.E. Cable, G.G. Porter | Lathe | metal lathes |
| 1,360,016 | Nov. 23, 1920 | G.G. Porter | Boring and cutting tool | lathe tools |
| 1,385,491 | Jul. 26, 1921 | G.G. Porter | Back-facing attachment for lathes | metal lathe accessories and attachments |
