Jeffrey G. Trull

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Matthews, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Door lock having removable outside lever handle for the purpose of...
- Patent number 5,077,994
- Issue date Jan 7, 1992
- Yale Security Inc.
- Jeffrey G. Trull
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Front-loaded knob assembly
- Patent number 4,765,163
- Issue date Aug 23, 1988
- Yale Security Inc.
- Jeffrey G. Trull
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Latchbolt with adjustable backset
- Patent number 4,623,174
- Issue date Nov 18, 1986
- Yale Security Inc.
- Jeffrey G. Trull
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES