| Patents for Frank G. Parker |
Patents 1 -
15
of 41
      |
| Number | Date | Patentee | Title | Type |
| 64,915 | May 21, 1867 | H.F. Shaw | Improvement in Hoisting Gear | hoists, winches, come-alongs |
| 66,239 | Jul. 02, 1867 | I.A. Hurd | Improved Depth-Gauge | micrometer depth gauges |
| 68,071 | Aug. 27, 1867 | D.F. Hartford | Improved Bow-Drill Stock | hand drills |
| 69,544 | Oct. 08, 1867 | F.W. Coy | Turning Lathe | metal lathes |
| 72,632 | Dec. 24, 1867 | D.F. Hartford | Improvement in Stringing Bow-Drill Stocks | hand drills |
| 74,199 | Feb. 11, 1868 | S.E. Clapp | Improved corkscrew | lever cork extractors |
| 78,065 | May 19, 1868 | F.W. Coy | Gage for Marking Bevels | marking gauges |
| 78,905 | Jun. 16, 1868 | W.P. Welch | Improvement in guides for bandsaws | bandsaw guides |
| 83,554 | Oct. 27, 1868 | H.F. Shaw | Improved Screw Cutting Lathe | screwcutting lathes |
| 85,298 | Dec. 29, 1868 | D.P. Foster | Improved Suspending-Clamp | broom clamps |
| 88,029 | Mar. 23, 1869 | R.R. Frohock | Improvement in last-machine | wood lathes |
| 94,461 | Aug. 31, 1869 | J.P. Woodbury | Improvement in railway freight-cars | |
| 97,621 | Dec. 07, 1869 | S. Fletcher | Improvement in sawing-machines | tree felling machines |
| 105,869 | Jul. 26, 1870 | C.E. Tucker | Improvement in Carpenters' Planes | bench planes |
| 111,632 | Feb. 07, 1871 | J. Goodrich, H.J. Colburn | Improvement in planing-machines | wood planers |
