Measuring, testing, or signalling instruments
Measuring, regulating or indicating instrument, or casing
Geometric
Inventor
active
Side brace for central-vial region of a box level
Torpedo level
No associations
LandOfFree
John R. Christianson 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 R. Christianson, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John R. Christianson will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-3264545