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| Patents for Eric T. Gustafson | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,777,852 | Oct. 18, 1988 | A.J. Bliemeister, D.J. Caldwell, T.R. Herman, M.S. Bakula, E.T. Gustafson | Ratcheting Screwdriver | ||
| 5,644,957 | Jul. 08, 1997 | J.H. Hoff, E.T. Gustafson | Adjustable Wrench with Worm Locking Mechanism | ||
| 5,904,078 | May 18, 1999 | C.D. Thompson, E.T. Gustafson | Pliers with Flush Joint Bias Spring | pliers | |