4. Binder device releasably engaging aperture or notch of sheet
  5. Sheet retainer travels arcuate path
  6. Travel in plane perpendicular to axis of rotation

Robert S. Dorfman

Inventor

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

Details

Inventor

active

Golf ball tee-up device

Games using tangible projectile – Golf – Tee setting device
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Golf tee with encapsulated sheet substrate

Games using tangible projectile – Golf – Tee
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Ring binder

Binder device releasably engaging aperture or notch of sheet – Sheet retainer travels arcuate path – Travel in plane perpendicular to axis of rotation
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

Robert S. Dorfman does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-597493

  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