4. Education and demonstration
  5. Telling time or calendar reading

Pui Yan Chan

Inventor

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

Details

Inventor

active

Apparatus, method and system for teaching elapsed time

Horology: time measuring systems or devices – Chronological – With mechanical or electromechanical driven display
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Apparatus, method and system for teaching elapsed time

Education and demonstration – Telling time or calendar reading
Reexamination Certificate

  [ 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

Pui Yan Chan does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-2964216

  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