Raymond R. Taylor

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Antioch, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 5,642,335
- Issue date Jun 24, 1997
- Raymond R. Taylor
- G04 - HOROLOGY
Information Patent Grant
Apparatus and method for teaching addition and subtraction
- Patent number 5,421,732
- Issue date Jun 6, 1995
- Raymond R. Taylor
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS