4. Electricity: measuring and testing
  5. Measuring, testing, or sensing electricity, per se
  6. Frequency of cyclic current or voltage

Louis W. Erath

Assignee

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

Details

Assignee

active

No affiliations

Feedback system for a sub-woofer loudspeaker

Electrical audio signal processing systems and devices – Loudspeaker feedback
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Method and apparatus for measuring the quality of insulation on

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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

Louis W. Erath does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-479573

  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