Uncategorized
Inventor
Aerodynamically levitated rotary power lawn mower
Alternator electrical system for battery charging and load...
Automatic compression relief mechanism
Electric ignition system for internal combustion engines
Electric motor armature core and method of making the same
No associations
LandOfFree
Joseph R. Harkness does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Joseph R. Harkness, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Joseph R. Harkness will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-179565