William P. Carlson

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Aurora, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Wireless interactive consumer video system
- Patent number 5,608,449
- Issue date Mar 4, 1997
- RTC Industries, Inc.
- John W. Swafford
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Entertainment and promotional method
- Patent number 5,362,051
- Issue date Nov 8, 1994
- RTC Industries, Inc.
- John W. Swafford
- A63 - SPORTS GAMES AMUSEMENTS