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EditSlot Car Patents - "W"
EditWestronics- US3441277
- Racing game with gear drive mechanism
- John Winn, April 29, 1969
- US3395861
- Slot car track
- William B. Kindred, August 6, 1968
EditWorld Inventions Smack- US4616829
- Apparatus for simulating running games
- Melvin F. Semien, Sr., Garland J. Semien, Jr. , October 14, 1986
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