Uncategorized
Inventor
Flying machine
Reversing switch
Flying machine
Reversing switch
LandOfFree
Frank Hoffner 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 Hoffner, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Frank Hoffner will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-234897