Education and demonstration
Communication aids for the handicapped
Tactile reading aid
Inventor
active
Apparatus for automatically feeding and inserting members...
Handheld apparatus for semi-automatically feeding and...
No associations
LandOfFree
David F. Birch 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 F. Birch, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and David F. Birch will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-2602092