| Patents for O. F. Barthel |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 522,672 | Jul. 10, 1894 | C. Puddefoot | Corkscrew | lever cork extractors |
| 524,889 | Aug. 21, 1894 | T. Craney | Chamfering-machine | barrel making machines |
| 552,740 | Jan. 07, 1896 | W.L. Bedford | Wrench | quick adjust wrenches |
| 562,217 | Jun. 16, 1896 | D. Crane | Gang-saw mill | reciprocating sawmills |
| 564,625 | Jul. 28, 1896 | G.G. Kelsea | Wrench for Turning Spoke-Nipples | spoke nipple wrenches |
| 569,597 | Oct. 20, 1896 | E.E. Anthony | Joist Drill | corner drills |
| 570,237 | Oct. 27, 1896 | V. Spindler | Hose-carriage | |
