Marsek; Richard V.

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Wauwatosa, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Security lock for dead-bolt door locks
- Patent number 4,064,721
- Issue date Dec 27, 1977
- Marsek; Richard V.
- Robert H. Morgan
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES