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| Patents Granted on 1989-03-28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,815,206 | Mar. 28, 1989 | E.S. Jangaard | Door hinge applicator | specialty woodworking machines | |
| 4,815,508 | Mar. 28, 1989 | P.M. Carter, G.L. Wilson, A.H. Bucksdrucker | Veneer lathe with dual powered backup rolls | veneer machines | |
| 4,816,752 | Mar. 28, 1989 | D. Mieczkowski, K.M. Andrews, S.E. Michalski | Method and Apparatus for Low Power Offset Correction of Amplified Sensor Signals | ||