Recording, communication, or information retrieval equipment
Video or audio transmission, recording or playback equipment
Telephone equipment
Inventor
active
Intercommunication apparatus without a hand set
Telephone intercommunication set
No associations
LandOfFree
Derek H. Dennis does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Derek H. Dennis, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Derek H. Dennis will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1724071