4. Machine element or mechanism
  5. Mechanical movements
  6. Rotary to rotary

Constant V. David

Inventor

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

Details

Inventor

active

Bar riding wheel

Amusement devices: games – Surface projectile game; game element – Moving surface
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Buoyant apparatus propelled by a human operator

Marine propulsion – Operator powered drive for propelling means
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Continuous pipeline fabrication method

Hydraulic and earth engineering – Subterranean or submarine pipe or cable laying – retrieving,... – Submerging – raising – or manipulating line of pipe or cable...
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Dice and games

Amusement devices: games – Chance devices – Dice
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Double free-piston external combustion engine

Power plants – Internal combustion type free piston device supplies motive...
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

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

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

Rate now

     

Profile ID: LFUS-PAI-P-237061

  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