Music
Accessories
Teaching devices
Inventor
active
Musical blocks
Musical blocks and clocks
Patient-controlled medical information system and method
System for issuing and developing investiture certificates...
No associations
LandOfFree
L. Leonard Hacker does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with L. Leonard Hacker, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and L. Leonard Hacker will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1683956