4. Telephonic communications
  5. Plural exchange network or interconnection

Lawrence E. Johnson

Inventor

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

Details

Inventor

active

Aerator

Pumps – Motor driven – Electric or magnetic motor
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Aerator for swimming pools or the like

Machines not elsewhere specified – Pump or compressor
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Communications system and method for operating same

Telephonic communications – Centralized switching system – Call distribution to operator
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Communications system using a central controller to control at l

Telephonic communications – Plural exchange network or interconnection
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Communications system using a central controller to control at l

Telephonic communications – Plural exchange network or interconnection
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

Lawrence E. Johnson does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-347925

  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