4. Electrical audio signal processing systems and devices
  5. Acoustical noise or sound cancellation
  6. Adjacent ear

Donald P. Pfaff

Inventor

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

Details

Inventor

active

Active noise control system

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Method for actively attenuating engine generated noise

Electrical audio signal processing systems and devices – Acoustical noise or sound cancellation – Adjacent ear
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Powertrain with electrically variable transmission providing...

Planetary gear transmission systems or components – Input from independent power sources – Including electric motor input
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

Donald P. Pfaff 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 P. Pfaff, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Donald P. Pfaff will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-P-278065

  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