Geometrical instruments
Straight-line light ray type
Rod or target
Inventor
active
Combined story pole and elevation rod
Liquid distributor assembly for use in packed column
No associations
LandOfFree
Don Richardson does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Don Richardson, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Don Richardson will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1989147