Electricity: circuit makers and breakers
Interlocking
Between switches and housing
Inventor
active
Card reader apparatus with read head mounting structure and card
Card reader with carriage powered by movement of inserted card
Electrical switching apparatus employing twice-energized trip ac
Game card and system of authorizing game card
Lock out mechanism for circuit breaker handle operator
No associations
LandOfFree
David H. Groves does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with David H. Groves, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and David H. Groves will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-523285