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| Patents Granted on 1989-10-?? | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,873,770 | Oct. 17, 1989 | R.L. Wilson, B.D. Wixey, T.L. Panian, D.J. Luttmer | Capacitive measurement system | ||
| 4,875,394 | Oct. 24, 1989 | C.B. Crudgington, Jr. | Champagne Bottle Opener | champagne and soda tools | |
| 4,875,854 | Oct. 24, 1989 | L.M. Emery | Miniature Forge | portable forges | |