PSI Energy Systems, Inc. Trademarks
PSI
Filed: September 27, 1979
Heat Accumulators-Namely, Thermal Energy Storage Units Containing a Phase Change Material
Owned by: PSI Energy Systems, Inc.
Serial Number: 73233006
THERMOL 81
Filed: October 2, 1979
Heat Accumulators-Namely, Thermal Energy Storage Units Containing a Phase Change Material
Owned by: PSI Energy Systems, Inc.
Serial Number: 73233666
THE ENERGY ROD
Filed: March 11, 1980
Heat Accumulators-Namely, Thermal Energy Storage Units Containing a Phase Change Material
Owned by: PSI Energy Systems, Inc.
Serial Number: 73253579
