Stoves and furnaces
Solar heat collector
With means to convey fluent medium through collector
Inventor
active
No associations
LandOfFree
William L. Spangler does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with William L. Spangler, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and William L. Spangler will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-2713044