Roy Weir

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Timmins, Ontario, CA

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Patents Grantslast 30 patents

Information Patent Grant
Oral hygiene device
- Patent number 5,183,035
- Issue date Feb 2, 1993
- Roy A. Weir
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Rescue unit
- Patent number 4,389,066
- Issue date Jun 21, 1983
- Weir; Roy
- Roy Weir
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE