KEUFFEL AND ESSER COMPANY Trademarks
METAGRAD
Filed: May 28, 1931
SURVEYORS' LEVELING RODS
Owned by: KEUFFEL AND ESSER COMPANY
Serial Number: 71315149
SPECTRA
Filed: September 16, 1970
DIAZO-SENSITIZED FILMS FOR COLORED REPRODUCTIONS
Owned by: KEUFFEL AND ESSER COMPANY
Serial Number: 72370831
