4. Photography and optical equipment
  5. Projector or viewer
  6. With provision for transparency magazine

Franz Singer

Inventor

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

Details

Inventor

active

Pocket-size photometer

Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Resilient clamping device for securing an arc chute cover of a s

Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Sound recording and reproducing apparatus

Dynamic magnetic information storage or retrieval – Head – Head accessory
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Sound recording and reproducing apparatus using a cassette havin

Dynamic magnetic information storage or retrieval – Record medium – In container
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

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

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

Rate now

     

Profile ID: LFUS-PAI-P-162593

  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