Uncategorized
Inventor
Printing mechanism for calculating machines
Record card sorting machines
Sequential comparing mechanism for statistical machines
No associations
LandOfFree
Norman G. Holden does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Norman G. Holden, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Norman G. Holden will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-124057