4. Electricity: circuit makers and breakers
  5. Switch activation inhibitor
  6. Actuator locking device

Donald Charles Francis, Jr.

Inventor

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

Details

Inventor

active

Circuit breaker with handle locking device

Electricity: circuit makers and breakers – Switch activation inhibitor – Actuator locking device
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Circuit breaker with improved impact resistance

Electricity: circuit makers and breakers – Multiple circuit control – Operating means
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Circuit breaker with terminal nut retainer

Electrical connectors – Metallic connector or contact having movable or resilient... – Screw-thread operated securing part
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

Donald Charles Francis, Jr. does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-178046

  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