4. Electricity: magnetically operated switches, magnets, and electr
  5. Electromagnetically actuated switches
  6. With housing or support means

Thomas Randolph Campbell

Inventor

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

Details

Inventor

active

Circuit breaker cover with screw locating feature

Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – With housing or support means
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Electric component box with removable cover

Electricity: conductors and insulators – Covers or face plates – With closure for face plate opening
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Storage and retrieval of process capability and guidance...

Data processing: database and file management or data structures – Database design – Data structure types
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

Thomas Randolph Campbell does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-2451894

  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