Nelson; David C.

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Copley, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Balloon weight and ribbon assembly
- Patent number 5,989,093
- Issue date Nov 23, 1999
- Nelson; David C.
- David C. Nelson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Formable balloon stick with concealing cup
- Patent number 5,944,576
- Issue date Aug 31, 1999
- Nelson; David C.
- David C. Nelson
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Balloon inflator valve
- Patent number 4,921,402
- Issue date May 1, 1990
- Nelson; David C.
- David C. Nelson
- B64 - AIRCRAFT AVIATION COSMONAUTICS