4. Games using tangible projectile
  5. Playing field or court game; game element or accessory...
  6. Batting backstop or cage

Richard Grapenthin

Inventor

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

Details

Inventor

active

Adjustable ball backstop

Games using tangible projectile – Playing field or court game; game element or accessory... – Batting backstop or cage
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Safety ball

Games using tangible projectile – Projectile – per se; part thereof or accessory therefor – Having solid core within outer cover; core or cover therefor
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

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

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

Rate now

     

Profile ID: LFUS-PAI-P-180650

  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