| Patents for Frank G. Parker |
Patents 1 -
10
of 41
      |
| Picture | Number | Date | Patentee | Title |
 | 64,915 | May 21, 1867 | H.F. Shaw | Improvement in Hoisting Gear |
 | 66,239 | Jul. 02, 1867 | I.A. Hurd | Improved Depth-Gauge |
 | 68,071 | Aug. 27, 1867 | D.F. Hartford | Improved Bow-Drill Stock |
 | 69,544 | Oct. 08, 1867 | F.W. Coy | Turning Lathe |
 | 72,632 | Dec. 24, 1867 | D.F. Hartford | Improvement in Stringing Bow-Drill Stocks |
 | 74,199 | Feb. 11, 1868 | S.E. Clapp | Improved corkscrew |
 | 78,065 | May 19, 1868 | F.W. Coy | Gage for Marking Bevels |
 | 78,905 | Jun. 16, 1868 | W.P. Welch | Improvement in guides for bandsaws |
 | 83,554 | Oct. 27, 1868 | H.F. Shaw | Improved Screw Cutting Lathe |
 | 85,298 | Dec. 29, 1868 | D.P. Foster | Improved Suspending-Clamp |
