Donald C. Nelson

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Medina, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Golf ball washer with integral agitator
- Patent number 5,711,330
- Issue date Jan 27, 1998
- S.G.D. Co., Inc.
- Donald C. Nelson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Automated golf ball dispenser
- Patent number 5,673,812
- Issue date Oct 7, 1997
- S.G.D., Inc.
- Donald C. Nelson
- G07 - CHECKING-DEVICES