4. Brakes
  5. Elements
  6. Brake wheels

David Callum Johnson

Inventor

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

Details

Inventor

active

Composite article

Brakes – Elements – Brake wheels
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Refractory-carbon composite brake friction elements

Coating processes – Coating by vapor – gas – or smoke – Carbon or carbide coating
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Wear resistant articles

Stock material or miscellaneous articles – Circular sheet or circular blank
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

David Callum Johnson does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-2227249

  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