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| Patents for Joseph A. Sorensen | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,005,449 | Apr. 09, 1991 | D.L. Gatzemeyer, J.A. Sorensen | Hand Tool or Improved Bar Clamp | clamps | |
| 5,377,567 | Jan. 03, 1995 | J.A. Sorensen | Bicycle Tool | locking pliers | |