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| Patents for William A. Barr | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 506,090 | Oct. 03, 1893 | H.F. Beimling | Miter Box | |
 | 510,846 | Dec. 12, 1893 | T.S. Disston | Saw Sharpening Device | |
 | 518,176 | Apr. 10, 1894 | J.W. Brown, Jr. | Drilling-machine | |
 | 593,157 | Nov. 02, 1897 | Z.T. Furbish | Ratchet mechanism | |
 | 601,580 | Mar. 29, 1898 | F.B. Miles | Vertical planer | |
 | 609,322 | Aug. 16, 1898 | C. Aichele | Dasher for ice-cream freezers | |
 | 659,521 | Oct. 09, 1900 | Z.T. Furbish | Ratchet mechanism | |
 | 666,508 | Jan. 22, 1901 | Z.T. Furbish | Ratchet mechanism | |
 | 685,678 | Oct. 29, 1901 | Z.T. Furbish | Magazine spring drill | |
 | 726,669 | Apr. 28, 1903 | Z.T. Furbish | Drive-chain | |