SPERRY-SUN WELL SURVEYING COMPANY Trademarks
EC
Filed: September 23, 1941
WELL SURVEYING INSTRUMENTS
Owned by: SPERRY-SUN WELL SURVEYING COMPANY
Serial Number: 71447277
SPERRY-SUN
Filed: December 4, 1942
INSTRUMENTS USED WITHIN BOREHOLES FOR ASCERTAINING THE COURSE THEREOF
Owned by: SPERRY-SUN WELL SURVEYING COMPANY
Serial Number: 71457214
