4. Printing and office machinery
  5. Typewriter or calculator
  6. Combined

Robert S. K. Li

Inventor

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

Details

Inventor

active

Combined calculator ruler, and desk tray

Printing and office machinery – Typewriter or calculator – Combined
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Combined ruler and clock

Measuring – testing – or signalling instruments – Clock or clock case – Combined
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Combined ruler and electronic calculator

Printing and office machinery – Typewriter or calculator – Combined
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Combined ruler and solar cell calculator

Printing and office machinery – Typewriter or calculator – Combined
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Combined ruler, clock and calculator

Printing and office machinery – Typewriter or calculator – Combined
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. K. Li 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. K. Li, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Robert S. K. Li will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-P-1365146

  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