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Beta Group, Inc.
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Menlo Park, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Eyeglass lens and frame assembly
Patent number
6,843,561
Issue date
Jan 18, 2005
Beta Group, Inc.
John Krumme
G02 - OPTICS
Information
Patent Grant
Eyeglass frame assembly
Patent number
6,523,952
Issue date
Feb 25, 2003
The Beta Group, Inc.
John Krumme
G02 - OPTICS
Information
Patent Grant
Intra-luminal expander assembly
Patent number
5,409,460
Issue date
Apr 25, 1995
The Beta Group Inc.
John F. Krumme
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
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last 30 trademarks