Uncategorized
Inventor
Binary adding circuit
Color-image-reproducing apparatus of the image-projection type
Electronic calculating machine
Remote-control apparatus
Triggered impulse-generating circuit
No associations
LandOfFree
Frederick C. Hallden does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Frederick C. Hallden, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Frederick C. Hallden will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-34489