William R. Parcells

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Des Moines, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Fenestration unit with interior installation features and associate...
- Patent number 11,933,098
- Issue date Mar 19, 2024
- Pella Corporation
- Todd A. Bernhagen
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
INTEGRATED PLEATED SCREEN ASSEMBLY
- Publication number 20210238919
- Publication date Aug 5, 2021
- Pella Corporation
- Evan Vande Haar
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS