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Norman C. Walker
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Solana Beach, CA, US
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last 30 patents
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Patent Grant
Magnetic encoder for powered window covering
Patent number
6,870,338
Issue date
Mar 22, 2005
Harmonic Design, Inc.
Winston Glenn Walker
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
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Patent Application
Magnetic encoder for powered window covering
Publication number
20040011477
Publication date
Jan 22, 2004
Winston Glenn Walker
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS