NATIONAL LEAD COMPANY Trademarks
JELOX
Filed: July 8, 1943
BENTONITE FOR USE IN THE PREPARATION AND TREATMENT OF WELL DRILLING FLUIDS
Owned by: NATIONAL LEAD COMPANY
Serial Number: 71461929
ANHYDROX
Filed: September 8, 1944
COMPOSITION CONTAINING A SOLUBLE SALT FOR PREVENTING ANHYDRITE OR GYPSUM CONTAMINATION OF WELL DRILLING FLUIDS
Owned by: NATIONAL LEAD COMPANY
Serial Number: 71473998
MILRITE
Filed: March 22, 1945
INGOTS AND CASTINGS OF LEAD ALLOYS
Owned by: NATIONAL LEAD COMPANY
Serial Number: 71481190
FIBERTEX
Filed: September 10, 1945
CELLULOSE FIBER MIXTURES FOR USE IN WELL DRILLING FLUIDS
Owned by: NATIONAL LEAD COMPANY
Serial Number: 71488249
