Lloyd W. Braa

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Lakewood, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Drum and cable mechanisms for opening/closing greenhouse vent
- Patent number 4,630,397
- Issue date Dec 23, 1986
- Roper Corporation
- George J. Dean
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES