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Theodore W. Hodapp
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St. Paul, MN, US
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last 30 patents
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Patent Grant
Rear projection screen using internal reflection
Patent number
6,417,966
Issue date
Jul 9, 2002
3M Innovative Properties Company
Robert S. Moshrefzadeh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Projection screen using dispersing lens array for asymmetric viewin...
Patent number
6,317,263
Issue date
Nov 13, 2001
3M Innovative Properties Company
Robert S. Moshrefzadeh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY