E. Arthur MacDonald

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McKinney, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Roller shade assembly adjustment mechanism
- Patent number 9,243,447
- Issue date Jan 26, 2016
- E. Arthur MacDonald
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS

Patents Applicationslast 30 patents

Information Patent Application
ROLLER SHADE ASSEMBLY ADJUSTMENT MECHANISM
- Publication number 20140096920
- Publication date Apr 10, 2014
- E. Arthur MacDonald
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS