4. Fishing, trapping, and vermin destroying

Ewald Pettenpaul

Inventor

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

Details

Inventor

active

Chain amplifier

Amplifiers – With semiconductor amplifying device – Including field effect transistor
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Metallization of selectively implanted A.sub.III -B.sub.V compou

Metal working – Method of mechanical manufacture – Assembling or joining
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Semiconductor diode and method for making it

Fishing – trapping – and vermin destroying
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

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

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

Rate now

     

Profile ID: LFUS-PAI-P-770117

  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