Robert H. Stegeman Jr.

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Old Monroe, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Curtain wall system with individually removable wall panels
- Patent number 5,065,557
- Issue date Nov 19, 1991
- Robertson-Ceco Corporation
- Russell Laplante
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS