4. Internal-combustion engines
  5. Vibration compensating device

Rolf Helber

Inventor

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

Details

Inventor

active

Cart

Material or article handling equipment – Hand cart or frame therefor – Two-wheeled
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Device for noise structuring in a motor vehicle

Acoustics – Sound-modifying means – Muffler – fluid conducting type
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Method and device for determining acoustical transfer impedance

Electrical audio signal processing systems and devices – Monitoring of sound – Amplification control responsive to ambient sound
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Mounting arrangement for vehicle engine and the like

Internal-combustion engines – Vibration compensating device
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

Rolf Helber does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-253926

  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