Electrical and scientific apparatus Trademarks Filed in May 23, 1952
HYDROTECTOR
Filed: May 23, 1952
HYGROMETERS
Owned by: AMERICAN INSTRUMENT COMPANY INC.
Serial Number: 71630109
SCOTCHLOK
Filed: May 23, 1952
CONE SHAPED SPRINGS FOR TWISTING ONTO ELECTRICAL WIRES TO CONNECT THE SAME
Owned by: Minnesota Mining & Manufacturing Company
Serial Number: 71630143
SMOKEY BEAR
Filed: May 23, 1952
Owned by: Forest Service of the United States Department of Agriculture
Serial Number: 89001660
