John W. Bull

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Irvine, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Low impact stair climbing exercise apparatus
- Patent number D314597
- Issue date Feb 12, 1991
- Precor Incorporated
- Timothy O. Armstrong
- D21 - Games, toys, and sports goods
Information Patent Grant
Aerobic conditioning apparatus
- Patent number 4,940,233
- Issue date Jul 10, 1990
- John Bull
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Stair climbing exercise apparatus
- Patent number D304358
- Issue date Oct 31, 1989
- Precor Incorporated
- Timothy O. Armstrong
- D21 - Games, toys, and sports goods
Information Patent Grant
Stair climbing exercise apparatus
- Patent number D302451
- Issue date Jul 25, 1989
- Precor Incorporated
- John W. Bull
- D21 - Games, toys, and sports goods
Information Patent Grant
Low impact exercise equipment
- Patent number 4,838,543
- Issue date Jun 13, 1989
- Precor Incorporated
- Timothy O. Armstrong
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Full body, shock-free aerobic and anaerobic exercising machine for...
- Patent number 4,830,362
- Issue date May 16, 1989
- John W. Bull
- A63 - SPORTS GAMES AMUSEMENTS