4. Locks
  5. Portable
  6. Padlocks

Hung-yi Chang

Inventor

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

Details

Inventor

active

Baton structure

Amusement devices: games – Striking weapon – Cross-handle type
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Electric shock gun

Firearms – Electric appliances
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Electric shock gun and electrode bullet

Ammunition and explosives – Projectiles – Nonlethal or deterrent
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

High speed voltage level shifter with a low input voltage

Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Amplitude control
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Theftproof lock device for a suitcase

Locks – Special application – For portable articles
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

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

Rate now

     

Profile ID: LFUS-PAI-P-2451310

  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