G - Physics – 03 – B
Inventor
G - Physics
03
B
Inventor
Microfilm camera with film moving carriage and vented...
Photographic film handling apparatus with circular film...
Photographic film handling apparatus with circular vented...
No associations
LandOfFree
William O. Butts 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 O. Butts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and William O. Butts will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-835001