Ronald L. Spoelstra

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Pella, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Retractable screen door components and method
- Patent number 6,814,127
- Issue date Nov 9, 2004
- Pella Corporation
- Gary E. Tagtow
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
Retractable screen door components and method
- Publication number 20040154753
- Publication date Aug 12, 2004
- Gary E. Tagtow
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS