4. Optics: measuring and testing
  5. By polarized light examination
  6. With birefringent element

Francois Couillard

Inventor

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

Details

Inventor

active

Chromatography apparatus

Liquid purification or separation – With means to add treating material – Chromatography
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Combined emergency exit sign and light

Sales and advertising equipment – Signs or display forms – Attachable to vertical surface or hanging type
Design Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Combined emergency exit sign and light

Sales and advertising equipment – Signs or display forms – Attachable to vertical surface or hanging type
Design Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Constant flow rate liquid pumping system

Pumps – Successive stages – Reciprocating rigid stages
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Emergency exit sign

Sales and advertising equipment – Signs or display forms
Design Patent

  [ 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

Francois Couillard does not yet have a rating. At this time, there are no reviews or comments for this inventor.

If you have personal experience with Francois Couillard, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Francois Couillard will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-P-578752

  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