Patents for William B. Swan |
Patents 1 -
9
of 9
|
Number | Date | Patentee | Title | Type |
320,097 | Jun. 16, 1885 | J. Swan | Auger | auger bits |
386,855 | Jul. 31, 1888 | W.B. Swan | Adjustable Handle Draw Knife | draw knives |
448,464 | Mar. 17, 1891 | W.B. Swan | Adjustable Handle Draw Knife | draw knives |
468,969 | Feb. 16, 1892 | W.B. Swan | Tool-handle | spiral screwdrivers |
541,130 | Jun. 18, 1895 | W.B. Swan | Ratchet Screwdriver | ratcheting screwdrivers |
759,042 | May 03, 1904 | W.B. Swan | Bit-Extender | drill bit extensions |
769,282 | Sep. 06, 1904 | W.B. Swan | Ratchet Screw Driver | ratcheting screwdrivers |
782,368 | Feb. 14, 1905 | W.B. Swan | Bit | auger bits |
810,230 | Jan. 16, 1906 | W.B. Swan | Bit-Extender | drill bit extensions |