Bruce R. Petty

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Beaumont, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Blood coagulation system having a bar code reader and a detecting m...
- Patent number 5,879,628
- Issue date Mar 9, 1999
- Helena Laboratories Corporation
- Helen J. Ridgeway
- G01 - MEASURING TESTING
Information Patent Grant
Densitometer with automatic gain and reference value adjustment of...
- Patent number 4,697,236
- Issue date Sep 29, 1987
- Helena Laboratories Corporation
- Gene A. Butts
- G01 - MEASURING TESTING
Information Patent Grant
Method of scanning optical density patterns
- Patent number 4,684,244
- Issue date Aug 4, 1987
- Helena Laboratories Corporation
- Gene A. Butts
- G01 - MEASURING TESTING