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| Patents for David F. Graham | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,328,428 | Jan. 20, 1920 | D.F. Graham | Socket-Wrench | socket wrenches | |
| D57,775 | May 03, 1921 | D.F. Graham | Socket Wrench | socket wrenches | |
| D59,417 | Oct. 18, 1921 | D.F. Graham | Socket Wrench | wrench sockets | |
| 1,617,109 | Feb. 08, 1927 | D.F. Graham | Socket-Wrench Container | wrench set holders | |