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| Patents Granted on 1982-05-04 | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-1,122,821 | May 04, 1982 | F.L. Heim, J.R. Bondhus | Ball head polygonal wrench | wrenches | |
| 4,327,495 | May 04, 1982 | R.A. Plante | Vane Airfoil Method and Apparatus | air vane flow apparatus | |
| 4,327,612 | May 04, 1982 | J. Bazuin | Turret Lathe | metalworking machine mechanisms | |
| 4,327,858 | May 04, 1982 | R.E. Powers | Non jamming head and magazine for fastener driving tool | handheld nailers | |