William R. Collier

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Montreal, Quebec, CA

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Patents Grantslast 30 patents

Information Patent Grant
Self-contained activity module
- Patent number 6,248,014
- Issue date Jun 19, 2001
- William R. Collier
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Work-station with climate control capabilities
- Patent number 5,624,312
- Issue date Apr 29, 1997
- William R. Collier
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Air circulation system for enclosed structures
- Patent number 5,468,184
- Issue date Nov 21, 1995
- William R. Collier
- F24 - HEATING RANGES VENTILATING