R-COLUMBIA PRODUCTS CO. Trademarks
KLEENTROL

KLEENTROL

Filed: October 4, 1955
LIQUID CHEMICAL COMPOSITION FOR USE IN CLEANING AND LUBRICATING PARTS OF RADIO AND TELEVISION RECEIVERS
Owned by: R-COLUMBIA PRODUCTS CO.
Serial Number: 71695842

TROLMASTER

TROLMASTER

Filed: October 7, 1955
TOOL FOR USE IN CLEANING AND LUBRICATING PARTS OF RADIO AND TELEVISION RECEIVERS
Owned by: R-COLUMBIA PRODUCTS CO.
Serial Number: 71696064