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| Patents Granted on 1981-10-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| D261,096 | Oct. 06, 1981 | C. Petersen | Hand Tool | locking pliers | |
| 4,292,767 | Oct. 06, 1981 | J.J. Fatula | Belt grinder for grinding non-circular workpiece | metal sanding machines | |
| 4,292,871 | Oct. 06, 1981 | F.W. Foster, T.A. Neumeyer | Welded Edge Band Saw Tooth | metal cutting bandsaw blades | |