| Patents for Fred Gerlach |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| CA-35,108 | Oct. 01, 1890 | H.C. Marsh | Combined clamp and miter-box for picture-frames | |
| 451,024 | Apr. 28, 1891 | A.B. Chadwick | Wrench | alligator wrenches |
| 485,793 | Nov. 08, 1892 | W.P. Hatch | Improvements in Shears for Pruning and for other Purposes | pruning implements |
| 528,731 | Nov. 06, 1894 | W.J. Morrison | Combination tool-handle | spiral screwdrivers |
| 532,772 | Jan. 22, 1895 | C. Edgar | Band-saw mill | band sawmills |
| 533,548 | Feb. 05, 1895 | S. Moreau | Chain Wrench | chain and strap wrenches |
| 567,637 | Sep. 15, 1896 | A.R. Clizbe | Grinding Machine | sharpeners |
| 567,638 | Sep. 15, 1896 | A.R. Clizbe | Grinding Machine | sharpeners |
| 583,982 | Jun. 08, 1897 | W.F. Davis | Gasolene and Gas Engine | |
| 584,180 | Jun. 08, 1897 | M. Levendusky | Combined Pipe Wrench And Cutter | pipe wrenches |
| 611,893 | Oct. 04, 1898 | A.R. Clizbe | Grinding Machine | sharpeners |
| 648,122 | Apr. 24, 1900 | W.P. Davis | Electric Igniter for Explosive Engines | ignition systems |
| 650,035 | May 22, 1900 | A.R. Clizbe | Grinding Machine | sharpeners |
| 652,470 | Jun. 26, 1900 | T.C. Menges, T. Cascaden, Jr. | Explosive Engine | internal combustion engines |
| 675,051 | May 28, 1901 | A. Baumgarten | Cork-extractor | bar corkscrews |