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| Patents Granted on 1990-07-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,939,678 | Jul. 03, 1990 | W.L. Beckwith, Jr. | Method for Calibration of Coordinate Measuring Machine | coordinate measuring machines | |
| D309,246 | Jul. 17, 1990 | S.R. Wente, T.S. Severson, D.J. Caldwell, S.S. Cascio | Screwdriver | screwdrivers | |
| 4,942,356 | Jul. 17, 1990 | L.D. Pacetti, D. Mieczkowski, S.E. Michalski, D.R. Ellingen | Modular electronic device | ||
| 4,942,664 | Jul. 24, 1990 | L. Zatulovsky | String trimmer with automatic feed | ||