BLOCK ENGINEERING, INC. Trademarks
APPLAMATIC
Filed: May 28, 1970
APPLANATION TONOMETERS
Owned by: BLOCK ENGINEERING, INC.
Serial Number: 72361099
FTG
Filed: October 8, 1970
FILM-THICKNESS MEASURING GAUGES
Owned by: BLOCK ENGINEERING, INC.
Serial Number: 72372776
SPECTRAMATE
Filed: January 3, 1975
OSCILLOSCOPE DISPLAYS OF INFORMATION DERIVED FROM BEYOND THE VISIBLE AND NEAR VISIBLE SPECTRAL REGION IN THE ANALYSIS OF…
Owned by: BLOCK ENGINEERING, INC.
Serial Number: 73040917
