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| Patents Granted on 1991-08-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,038,646 | Aug. 13, 1991 | F.H. Suwitoadji | Band saw workpiece transport mechanism | specialty woodworking machines | |
| 5,038,869 | Aug. 13, 1991 | G.E. Olson | Fatigue-Resistant Spindle End | ||
| D319,170 | Aug. 20, 1991 | P. Franke | Corkscrew | figural cork extractors | |
| 5,042,345 | Aug. 27, 1991 | P.F. Hawkins, L.F. Wagoner | Shearing machine | metal shearing machines | |