| Patents for William A. Barr |
Patents 1 -
15
of 53
      |
| Number | Date | Patentee | Title | Type |
| 506,090 | Oct. 03, 1893 | H.F. Beimling | Miter Box | miter boxes |
| 510,846 | Dec. 12, 1893 | T.S. Disston | Saw Sharpening Device | saw sharpening tools |
| 518,176 | Apr. 10, 1894 | J.W. Brown, Jr. | Drilling-machine | drill presses |
| 593,157 | Nov. 02, 1897 | Z.T. Furbish | Ratchet mechanism | spiral screwdrivers |
| 601,580 | Mar. 29, 1898 | F.B. Miles | Vertical planer | metal planers |
| 609,322 | Aug. 16, 1898 | C. Aichele | Dasher for ice-cream freezers | |
| 659,521 | Oct. 09, 1900 | Z.T. Furbish | Ratchet mechanism | spiral screwdrivers |
| 666,508 | Jan. 22, 1901 | Z.T. Furbish | Ratchet mechanism | spiral screwdrivers |
| 685,678 | Oct. 29, 1901 | Z.T. Furbish | Magazine spring drill | hand drills |
| 726,669 | Apr. 28, 1903 | Z.T. Furbish | Drive-chain | |
| 791,766 | Jun. 06, 1905 | Z.T. Furbish | Push screw-driver or drill | spiral screwdrivers |
| 791,767 | Jun. 06, 1905 | Z.T. Furbish | Push-drill | hand drills |
| 791,895 | Jun. 06, 1905 | Z.T. Furbish | Ratchet-tool | spiral screwdrivers |
| 814,529 | Mar. 06, 1906 | Z.T. Furbish | Push-drill | hand drills |
| 819,494 | May 01, 1906 | C. Aichele | Clamp for the cross-bars of ice-cream freezers | |
