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| Patents for Percy L. Billingsley | |||||
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| Picture | Number | Date | Patentee | Title | |
| 894,109 | Jul. 21, 1908 | P.L. Billingsley | Machine for assembling parts of box ends | ||
 | 904,503 | Nov. 24, 1908 | P.L. Billingsley | Attachment for nailing-machines | |
 | 1,148,070 | Jul. 27, 1915 | P.L. Billingsley | Table | |
 | 1,269,153 | Jun. 11, 1918 | P.L. Billingsley | Automobile jack | |
 | 1,356,033 | Oct. 19, 1920 | P.L. Billingsley | Automobile jack | |
 | 1,376,507 | May 03, 1921 | P.L. Billingsley | Automobile jack | |
| 1,424,148 | Aug. 01, 1922 | P.L. Billingsley | Flexible operating mechanism | ||