4. Geometrical instruments
  5. Straight-line light ray type
  6. Rod or target

Don Richardson

Inventor

Rate now
  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Inventor

active

Combined story pole and elevation rod

Geometrical instruments – Straight-line light ray type – Rod or target
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Liquid distributor assembly for use in packed column

Gas and liquid contact apparatus – Contact devices – Porous mass
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

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.

Rate now

     

Profile ID: LFUS-PAI-P-1989147

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.

Canada

 Charities
 Companies
 MP Candidates
 Patents
 Employee Salary Disclosure

World

 Places of the World
 Scientific Papers

United States

 Banks
 Companies
 Counties
 Patents
 Employee Salary Disclosure