Games using tangible projectile
Bowling
Practice or assist device
Inventor
active
Bumper bowling system
Bumper bowling system with contact switch
Method of playing a bowling game
Method of playing a bumper bowling system
No associations
LandOfFree
Jon P. File does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Jon P. File, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Jon P. File will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-627720