McKellar; Robert L.

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Midland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Game and amusement device
- Patent number 4,154,444
- Issue date May 15, 1979
- McKellar; Robert L.
- Nathan D. Grenell
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Device for centering and maintaining short spool pieces
- Patent number 4,099,283
- Issue date Jul 11, 1978
- McKellar; Robert L.
- Dale Allen Jueckstock
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Method of threading short spool pieces
- Patent number 4,028,762
- Issue date Jun 14, 1977
- McKellar; Robert L.
- Dale Allen Jueckstock
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR