Dana L. Ruehlman

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Boulder, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Underwater breathing apparatus with pressurized snorkel
- Patent number 5,947,116
- Issue date Sep 7, 1999
- R. Igor Gamow
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
In-line skate walking guard
- Patent number 5,580,094
- Issue date Dec 3, 1996
- Dana L. Ruehlman
- A63 - SPORTS GAMES AMUSEMENTS