David L. Helterbrand

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Garland, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Spoked wheel
- Patent number 5,232,270
- Issue date Aug 3, 1993
- David L. Helterbrand
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Locking bar for use with a spare tire carrier
- Patent number 4,805,817
- Issue date Feb 21, 1989
- David L. Helterbrand
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Method for constructing a locking bar for use in a spare tire carrier
- Patent number 4,765,051
- Issue date Aug 23, 1988
- David L. Helterbrand
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Spare tire carrier
- Patent number 4,711,382
- Issue date Dec 8, 1987
- David L. Helterbrand
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS