IND-I-MAX
Filed: April 14, 1961
MEASURING INSTRUMENT COMPRISING A CURRENT TRANSFORMER AND AMMETER ADAPTED TO BE MOUNTED ON AN ELECTRICAL CONDUCTOR AND EFFECTIVE…
Owned by: HD ELECTRIC COMPANY
Serial Number: 72117860
TEST-M-LITE
Filed: April 14, 1961
Push Button Secondary Test Set to Determine Electrical Load Condition of a Secondary Feeder
Owned by: HD ELECTRIC COMPANY
Serial Number: 72117862
TEL-I-MAX
Filed: February 9, 1970
THERMAL CURRENT METER
Owned by: HD ELECTRIC COMPANY
Serial Number: 72350909
PLUMB LIGHT
Filed: March 28, 1984
PRECISION ALIGNMENT APPARATUS, NAMELY, AN OPTICAL PROJECTOR WHICH PROJECTS THE IMAGE OF A MARK ON A FLOOR TO THE CEILING…
Owned by: HD ELECTRIC COMPANY
Serial Number: 73472654
HD
Filed: October 9, 1990
electrical test and measuring equipment; namely, transformer and ammeter combination, transformer, ammeter, device to determine…
Owned by: HD ELECTRIC COMPANY
Serial Number: 74103877
CAP CHECK
Filed: January 18, 1991
device for measuring electrical parameters of capacitors
Owned by: HD ELECTRIC COMPANY
Serial Number: 74131530
PORTATEST
Filed: January 18, 1991
instrument for testing dielectric strength of insulating oils
Owned by: HD ELECTRIC COMPANY
Serial Number: 74131532
RALLY
Filed: January 18, 1991
battery-operated light for mounting on a hard hat
Owned by: HD ELECTRIC COMPANY
Serial Number: 74131535
PHASE MATE
Filed: January 18, 1991
voltmeters for phase determination on power lines
Owned by: HD ELECTRIC COMPANY
Serial Number: 74131536
SAFE-T-SNAP
Filed: February 4, 1991
insulator jacket for electrical connector
Owned by: HD ELECTRIC COMPANY
Serial Number: 74135706
HD
Filed: October 9, 1990
metal carrying case for cartridges, cassettes and instruments
Owned by: HD ELECTRIC COMPANY
Serial Number: 74801557
TAG
Filed: July 29, 1996
electronic voltage detector
Owned by: HD ELECTRIC COMPANY
Serial Number: 75141272
RAMCORDER
Overhead line recorders and meter base recorders for measuring and recording electric current, electric voltage, and ambient…
Owned by: HD ELECTRIC COMPANY
Serial Number: 76475396
BEST IN THE FIELD
electrical test and measuring equipment; namely, transformer and ammeter combination, transformer, ammeter, device to determine…
Owned by: HD ELECTRIC COMPANY
Serial Number: 76482218
E-PPE
silent vibrating alarms affixed to the body that warn users they are in close proximity of electrical voltage
Owned by: HD ELECTRIC COMPANY
Serial Number: 78733460
