4. Recording, communication, or information retrieval equipment
  5. Video or audio transmission, recording or playback equipment
  6. Telephone equipment

Chao-Han Chang

Inventor

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

Details

Inventor

active

Conference phone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Design Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Phone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Telephone equipment
Design Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Web cam

Photography and optical equipment – Camera or body therefor – Video type
Design 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

Chao-Han Chang does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-3100948

  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