Arthur Mihalcheon

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Edmonton, Alberta, CA

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Patents Grantslast 30 patents

Information Patent Grant
Safety brake mechanism for overhead sectional door
- Patent number 6,189,266
- Issue date Feb 20, 2001
- Arthur A. Mihalcheon
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Extension spring-type assembly for raising sectional door
- Patent number 5,930,865
- Issue date Aug 3, 1999
- Arthur Alexander Mihalcheon
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Hinge and roller support device for sectional door
- Patent number 4,115,900
- Issue date Sep 26, 1978
- Arthur Mihalcheon
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES