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| Patents Granted on 1986-11-11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,621,430 | Nov. 11, 1986 | J.O. Lenz | Drive for position controlled linearly movable carriage | metalworking machine mechanisms | |
| 4,621,459 | Nov. 11, 1986 | L.E. Stump, E.C. David, D. Boehne | Segmented platen with diaphragm cylinder control | belt sanders | |