John R. Dupree

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Gresham, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Hub lock for two-wheel/four-wheel drive vehicle
- Patent number 6,557,660
- Issue date May 6, 2003
- Warn Industries, Inc.
- Bryan M. Averill
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Combination manual-automatic hub lock
- Patent number 5,520,272
- Issue date May 28, 1996
- Warn Industries, Inc.
- Fred L. Ewer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
HUB LOCK FOR TWO-WHEEL/FOUR-WHEEL DRIVE VEHICLE
- Publication number 20030066701
- Publication date Apr 10, 2003
- Bryan M. Averill
- B60 - VEHICLES IN GENERAL