4. Environmental heating and cooling; fluid handling and sanitary e
  5. Heating or cooling
  6. Element or attachment, not elsewhere specified

John F. Campbell

Inventor

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

Details

Inventor

active

Basketball training device

Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Check valve casing

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Element or attachment – not elsewhere specified
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Training device

Amusement devices: games – Aerial projectile game; game element or accessory therefor... – Target
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Well clean out apparatus

Wells – With junk retrieving means
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

John F. Campbell 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 F. Campbell, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John F. Campbell will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-P-76977

  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