| Patents for Isaac W. Heysinger |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 164,453 | Jun. 15, 1875 | I.W. Heysinger | Improvements in Slide-Wrenches | nut wrenches |
| 226,402 | Apr. 13, 1880 | I.W. Heysinger | Device for Filing and Binding Papers | staplers |
| RE9,803 | Jul. 12, 1881 | H.R. Heyl | Device for inserting metallic staples | staplers |
| 275,042 | Apr. 03, 1883 | I.W. Heysinger | Suspension Wrench For Gas and Other Cocks | wrenches |
| 286,610 | Oct. 16, 1883 | I.W. Heysinger | Bit-brace and washer cutter | braces |
| 307,767 | Nov. 11, 1884 | I.W. Heysinger | Pocket Knife | screwdrivers |