| Patents for Charles E. Billings |
Patents 16 -
26
of 26
      |
| Number | Date | Patentee | Title | Type |
| 517,208 | Mar. 27, 1894 | C.E. Billings | Caliper Gage | measurement gauges |
| 525,311 | Aug. 28, 1894 | C.E. Billings | Hand Vise | hand vises |
| 532,634 | Jan. 15, 1895 | C.E. Billings | Wrench | screw adjust wrenches |
| 536,063 | Mar. 19, 1895 | C.E. Billings | Wrench | quick adjust wrenches |
| 554,046 | Feb. 04, 1896 | C.E. Billings | Combination Tool | screwdrivers |
| D26,111 | Sep. 29, 1896 | C.E. Billings | Billings 97 Pocket Wrench | bicycle or pocket wrenches |
| 599,379 | Feb. 22, 1898 | C.E. Billings | Wrench | quick adjust wrenches |
| 637,320 | Nov. 21, 1899 | C.E. Billings | Machine for Nurling Metal | embossing and knurling machines |
| 735,935 | Aug. 11, 1903 | C.E. Billings | Combination Measuring Tool | special purpose gauges |
| 744,028 | Nov. 17, 1903 | C.E. Billings | Beam-calipers | measurement gauges |
| 881,294 | Mar. 10, 1908 | C.E. Billings | Knife | knives and cutters |
