Environmental control apparatus Trademarks Filed in October 16, 1981
MI-T-WATTSAVER
Filed: October 16, 1981
Electric Lamps
Owned by: DURO TEST CORPORATION
Serial Number: 73332717
PUMPER'S FRIEND
Filed: October 16, 1981
Hot Water Radiator for Use with Oil Field Pumps
Owned by: Pumper's Friend Radiator Sales
Serial Number: 73332784
