John J. Cowley

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Toronto, CA

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Patents Grantslast 30 patents

Information Patent Grant
Portable oxygen reservoir
- Patent number D283741
- Issue date May 6, 1986
- Erie Manufacturing Co.
- Selby D. Hussey
- D29 - Equipment for safety, protection, and rescue
Information Patent Grant
Emergency escape device
- Patent number 4,552,140
- Issue date Nov 12, 1985
- Erie Manufacturing Co.
- John J. Cowley
- A62 - LIFE-SAVING FIRE-FIGHTING