ELECTRO
Filed: April 14, 1958
ELECTRICAL PROXIMITY SENSING SYSTEMS AND PARTS THEREOF, INCLUDING CONTROL UNITS, PICKUPS AND CABLES, MAGNETIC PICKUPS AND…
Owned by: ELECTRO CORPORATION
Serial Number: 72049563
E ELECTRO
Filed: June 17, 1965
AMPLIFIERS * - * NAMELY, [ VACUUM TUBE AMPLIFIERS, TRANSISTOR AMPLIFIERS ] * ; * [ , MAGNETIC AMPLIFIERS; RELAYS, INVERTERS…
Owned by: ELECTRO CORPORATION
Serial Number: 72221364
DI-MAG
Filed: October 24, 1969
MAGNETIC PICKUPS WHICH SENSE A DISCONTINUITY IN MOVING FERROUS MATERIAL
Owned by: ELECTRO CORPORATION
Serial Number: 72341580
MINI-SPEED
Filed: October 24, 1969
ELECTRONIC MONITOR RESPONSIVE TO AN OVER OR UNDER SPEED CONDITION OF A ROTATING ELEMENT TO CONTROL THE MACHINE OPERATION…
Owned by: ELECTRO CORPORATION
Serial Number: 72341582
DI-PROX
Filed: April 1, 1971
PROXIMITY SWITCH
Owned by: ELECTRO CORPORATION
Serial Number: 72388029
DI-TACH
Filed: January 17, 1972
ELECTRONIC TACHOMETER
Owned by: ELECTRO CORPORATION
Serial Number: 72412788
VERSA-SWITCH
Filed: February 6, 1976
SWITCHES
Owned by: ELECTRO CORPORATION
Serial Number: 73076504
MECS
Filed: October 17, 1977
MODULAR ELECTRICAL CONTROL FOR MONITORING A MACHINE, COMPRISING INPUT SENSORS, FUNCTION CIRCUITS AND OUTPUTS FOR ALARMS…
Owned by: ELECTRO CORPORATION
Serial Number: 73144129
ELECTRO-MIKE
Filed: June 22, 1978
NONCONTACT CONTROL AND GAUGING APPARATUS
Owned by: ELECTRO CORPORATION
Serial Number: 73177157
MICRO-TACH
Filed: August 14, 1978
ELECTRONIC CONVERTERS FOR CONVERTING THE FREQUENCY OF AN ALTERNATING INPUT SIGNAL TO A DC OUTPUT SIGNAL
Owned by: ELECTRO CORPORATION
Serial Number: 73181917
MAXI-MAG
Filed: January 14, 1980
MAGNETIC SENSOR
Owned by: ELECTRO CORPORATION
Serial Number: 73246047
EMDT
Filed: July 31, 1980
Electromagnetic Displacement Transducer for Noncontact Dimension Measuring and Gauging Apparatus
Owned by: ELECTRO CORPORATION
Serial Number: 73272408
ELECTRO-TACH
Filed: September 18, 1980
Meter for Indicating Events per Unit Time
Owned by: ELECTRO CORPORATION
Serial Number: 73278275
E ELECTRO
Filed: September 28, 1981
Electronic Proximity Sensors and Controls; Electronic Measuring and Gauging Instruments, Electronic Tachometry and Rate…
Owned by: ELECTRO CORPORATION
Serial Number: 73330079
PHOTO-TROL
Filed: November 9, 1981
Light Actuated Switch
Owned by: ELECTRO CORPORATION
Serial Number: 73336440
MINI-PROX
Filed: September 10, 1990
proximity control
Owned by: ELECTRO CORPORATION
Serial Number: 74094963
MINI-PROX
Filed: October 22, 1990
solid state switches
Owned by: ELECTRO CORPORATION
Serial Number: 74108048
