Douglas D. Calaway

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St. Cloud, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for creating a bar code
- Patent number 7,124,939
- Issue date Oct 24, 2006
- Tri Ventures Inc.
- Douglas Calaway
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for creating a bar code
- Publication number 20070102531
- Publication date May 10, 2007
- Tri Ventures Inc.
- Anthony P. Higgins
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for creating a bar code
- Publication number 20040073495
- Publication date Apr 15, 2004
- Douglas Calaway
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Electronic storage medium and purchasing system and method
- Publication number 20020138369
- Publication date Sep 26, 2002
- Douglas D. Calaway
- G06 - COMPUTING CALCULATING COUNTING