Celebrity Inventors
Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 5487696 | Apparatus for polishing medals for game machine and for separating abrasive therefrom An apparatus for polishing medals for a game machine, and for separating an abrasive from the medals. An intake port (2) for the medals and the abrasive is provided on the lower end side of a polishing pipe (1) set upright, while a medal delivery port (3)... | 01/30/1996 |
| 4977707 | Device for external magnetic abrasive machining of cylindrical components The essence of the device resides in the fact that an electromagnetic system is provided with an additional pair (3) of pole pieces (5) mounted opposite a first pair (2) and displaced into respect to the latter, lengthwise a longitudinal axis (01 | 12/18/1990 |
| 4920705 | Method of abrasive powder descaling of a strip The method envisages measuring strip tension and computing the difference between tensions at the inlet to and outlet from each descaling zone, comparing this difference is strip tension with a preset difference, and compensating for deviations in strip t... | 05/01/1990 |
