| Patents for Frederic C. Billings |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 382,348 | May 08, 1888 | C.E. Billings | Beam-Calipers | calipers |
| 545,188 | Aug. 27, 1895 | F. Lombard, F.C. Billings | Drop Hammer | drop hammers |
| 547,197 | Oct. 01, 1895 | W.J. Belcher, F.C. Billings | Drop Hammer | drop hammers |
| 554,046 | Feb. 04, 1896 | C.E. Billings | Combination Tool | screwdrivers |
| 614,692 | Nov. 22, 1898 | F.C. Billings | Drop Hammer | drop hammers |
| 642,289 | Jan. 30, 1900 | F.C. Billings | Metal Working Machine | drop hammers |
| 744,028 | Nov. 17, 1903 | C.E. Billings | Beam-calipers | measurement gauges |
| 1,044,856 | Nov. 19, 1912 | F.C. Billings | Safety Lathe Dog | lathe dogs |
| 1,183,525 | May 16, 1916 | F.C. Billings | Method of Manufacturing Pliers | pliers |
| 1,910,314 | May 23, 1933 | F.C. Billings | Drop Hammer | drop hammers |
