| Patents for F. R. Cornwall |
Patents 1 -
15
of 28
      |
| Number | Date | Patentee | Title | Type |
| 449,000 | Mar. 24, 1891 | A.K. Schaap | Bicycle Spoke Nipple Wrench | spoke nipple wrenches |
| 468,241 | Feb. 02, 1892 | P.G. Douglas | Wrench | ratchet wrenches |
| 473,048 | Apr. 19, 1892 | J.A. Zander | Wrench | screw adjust wrenches |
| 481,506 | Aug. 23, 1892 | B. McGilvray | Wrench | pipe and nut combination wrenches |
| 511,190 | Dec. 19, 1893 | A.L. Bedford | Wrench | quick adjust wrenches |
| 515,405 | Feb. 27, 1894 | A.W. Meston | Fan-guard | |
| 537,870 | Apr. 23, 1895 | H.J. Thielen, H. Schroeder | Gage for Setting Hinges | butt gauges |
| 583,933 | Jun. 08, 1897 | E.S. Pillsbury | Electric Motor | |
| 587,373 | Aug. 03, 1897 | H.L. Parker, C.R. Meston | Window-blower | |
| 605,850 | Jun. 21, 1898 | F.E. Briner | Electric motor | induction motors |
| 611,391 | Sep. 27, 1898 | H.A. Pike | Calipers | calipers |
| 617,114 | Jan. 03, 1899 | C.R. Meston | Electric Motor | electric motors |
| 618,131 | Jan. 24, 1899 | H.L. Parker, C.R. Meston | Bearing for armature-shafts of electric motors | motor bearings |
| 620,609 | Mar. 07, 1899 | F. Schwedtmann, E.S. Pillsbury | Motor | electric motors |
| D30,347 | Mar. 14, 1899 | M.F. Williams | Design for a pulley | industrial machine pulleys and belt drive mechanisms |
