4. Amusement devices: toys
  5. Sounding

Lawrence J. Greenberg

Inventor

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

Details

Inventor

active

Educational toy

Education and demonstration – Question or problem eliciting response – Correctness of response indicated to examine by...
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Electronic musical mobile

Card – picture – or sign exhibiting – Changing exhibitor – With electric circuit control
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Electronic teaching aid

Office supplies; artists and teachers materials – Teaching material – Sensory feedback – e.g. – audio-visual teaching machine
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Impact-activated toy

Amusement devices: toys – Sounding
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Simulated feeding apparatus

Amusement devices: toys – Figure toy or accessory therefor – Nursing – eating – or drinking
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

Lawrence J. Greenberg does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-496700

  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