Uncategorized
Inventor
Apparatus controlled by data sensed from statistical records
Apparatus for sensing data recorded on statistical records
Decoder for statistical machines
Sensing of perforated statistical records
Sheet feeding apparatus
No associations
LandOfFree
John Perrin does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with John Perrin, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John Perrin will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-98732