Chemicals Trademarks Filed in February 9, 1948
DOWELL
Filed: February 9, 1948
CHEMICALS USED IN THE TREATMENT OF WELLS, SUCH AS OIL, GAS, BRINE, AND WATER WELLS-NAMELY, ACIDS, ACID INHIBITORS, ALKALIES…
Owned by: Dowell Incorporated
Serial Number: 71549136
KEMI-KAL
Filed: February 9, 1948
PREPARATION FOR HARDENING, DUSTPROOFING, ACIDPROOFING, OILPROOFING, AND WATERPROOFING CONCRETE AND CEMENT SURFACES AND FOR…
Owned by: SULLIVAN COMPANY, THE
Serial Number: 71549191
