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Flexlens, LLC
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Englewood, CO, US
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Patents Grants
last 30 patents
Information
Patent Grant
Light filtering contact lens
Patent number
5,617,154
Issue date
Apr 1, 1997
Flexlens
William C. Hoffman
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
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Trademark
74606778 - COMFORTVISION
Serial number
74606778
Registration number
2055889
Filing date
Dec 5, 1994
Flexlens, LLC
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments