John T. Welch

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Akron, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Cone mapping physical optics for design of indoor communication system
- Patent number 6,446,031
- Issue date Sep 3, 2002
- The University of Akron
- John T. Welch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Relay ladder control system for simulation and monitoring
- Patent number 5,777,869
- Issue date Jul 7, 1998
- The University of Akron
- John T. Welch
- G05 - CONTROLLING REGULATING
Information Patent Grant
Programmable gate array for relay ladder logic
- Patent number 5,731,712
- Issue date Mar 24, 1998
- John T. Welch
- G05 - CONTROLLING REGULATING
Information Patent Grant
Clause counter map inference engine
- Patent number 5,230,061
- Issue date Jul 20, 1993
- The University of Akron
- John T. Welch
- G06 - COMPUTING CALCULATING COUNTING