GRACE INDUSTRIES, INCORPORATED Trademarks
GAS RULER
Filed: November 18, 1987
GAS DETECTORS
Owned by: GRACE INDUSTRIES, INCORPORATED
Serial Number: 73696235
TRI-ALERT
Filed: August 24, 1988
PERSONAL SAFETY ALARM UNIT FOR SENSING GAS, TEMPERATURE, LACK OF MOTION
Owned by: GRACE INDUSTRIES, INCORPORATED
Serial Number: 73748050
MICRO PASS
Filed: April 17, 1990
miniature personal motion sensing alarm for use on and by work personnel
Owned by: GRACE INDUSTRIES, INCORPORATED
Serial Number: 74049972
