Robert J. Warner

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Mukwonago, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Industrial door having flexible and releasable beam
- Patent number 5,139,074
- Issue date Aug 18, 1992
- Kelley Company Inc.
- Robert J. Warner
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Roll-up industrial door having a combined pulley for counterweight...
- Patent number 5,129,442
- Issue date Jul 14, 1992
- Kelley Company Inc.
- Robert J. Warner
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES