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| Patents for Howard A. Vaughan | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,948,548 | Feb. 27, 1934 | E. Erickson, H.A. Vaughan, G. Olson | Manufacture of Single Bladed Forged Ax Heads | ||
| D99,635 | May 12, 1936 | H.A. Vaughan | Design for an ax head | axes | |
| D100,056 | Jun. 16, 1936 | H.A. Vaughan | Design for an ax head | axes | |
| 2,053,882 | Sep. 08, 1936 | H.A. Vaughan | Ax | axes | |
| 3,208,724 | Sep. 28, 1965 | H.A. Vaughan | Carpenter's claw hammer with vibration dampening means | hammers | |