Douglas B. Elkow

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Edmonton, CA

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Patents Grantslast 30 patents

Information Patent Grant
Variable-diameter wheel apparatus for motor vehicles
- Patent number 6,733,088
- Issue date May 11, 2004
- Douglas B. Elkow
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Variable-diameter wheel apparatus for motor vehicles
- Patent number 6,637,834
- Issue date Oct 28, 2003
- Douglas B. Elkow
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Variable-diameter wheel-and-tire apparatus for motor vehicles
- Patent number 6,615,888
- Issue date Sep 9, 2003
- Douglas B. Elkow
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Variable-diameter wheel apparatus for motor vehicles
- Publication number 20040036347
- Publication date Feb 26, 2004
- Douglas B. Elkow
- B60 - VEHICLES IN GENERAL
Information Patent Application
Variable-diameter wheel apparatus for motor vehicles
- Publication number 20030071515
- Publication date Apr 17, 2003
- Douglas B. Elkow
- B60 - VEHICLES IN GENERAL
Information Patent Application
Variable-diameter wheel-and-tire apparatus for motor vehicles
- Publication number 20030071513
- Publication date Apr 17, 2003
- Douglas B. Elkow
- B60 - VEHICLES IN GENERAL