Electrical and scientific apparatus Trademarks Filed in November 6, 1952
EDSCORP

EDSCORP

Filed: November 6, 1952
[ BINOCULARS AND ] MICROSCOPES
Owned by: EDMUND SCIENTIFIC COMPANY
Serial Number: 71637706

MARK TWAIN

MARK TWAIN

Filed: November 6, 1952
APPARATUS FOR MEASURING DISTANCES BY REFLECTED SOUND WAVES OR BY SIMILAR ACOUSTIC METHODS-NAMELY, FOR APPARATUS FOR DETERMINING…
Owned by: RAYTHEON MANUFACTURING COMPANY
Serial Number: 71637719