Donald Richard Callentine

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Plainfield, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for coding identification information into a s...
- Patent number 8,618,907
- Issue date Dec 31, 2013
- The Chamberlain Group, Inc.
- Donald Richard Callentine
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for coding identification information into a s...
- Publication number 20090113541
- Publication date Apr 30, 2009
- The Chamberlain Group, Inc.
- Donald Richard Callentine
- G07 - CHECKING-DEVICES