4. H - Electricity
  5. 05
  6. K

Patrick R. Beirne

H - Electricity – 05 – K

Inventor

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

Details

Inventor

Country: Canada

Dial tone detector

H - Electricity – 04 – M
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Digital tone detector

H - Electricity – 04 – M
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Keyless and indicatorless local telephone switching system

H - Electricity – 04 – M
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Pbx field display

H - Electricity – 05 – K
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Power saving line circuit

H - Electricity – 04 – M
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Patrick R. Beirne does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFCA-PAI-P-237957

  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