Optics: measuring and testing
Crystal or gem examination
Inventor
active
Sensing a narrow frequency band and gemstones
Sensing a narrow frequency band of radiation and gemstones
No associations
LandOfFree
Paul M. Spear does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Paul M. Spear, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Paul M. Spear will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1355701