Mechanical guns and projectors
Projectile impelled by coacting wheels
Inventor
active
Baseball inserter for pitching machines
Professional batting training machine
Variable ratio master cylinder
No associations
LandOfFree
Frank E. Hill does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Frank E. Hill, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Frank E. Hill will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-742514