Chemicals Trademarks Filed in May 31, 1961
STA-BIL TESTUBE
Filed: May 31, 1961
CHLORINE STABILIZER IN CRYSTALLINE POWDER FORM
Owned by: TESCO CHEMICALS, INC.
Serial Number: 72121145
FIBRO-PLUG
Filed: May 31, 1961
PLUGGING MATERIAL FOR OIL WELLS
Owned by: TUMBLEWEED DESIGNS, INC.
Serial Number: 72121150
