4. Metal working
  5. Expanded metal making
  6. By use of reciprocating perforator

David B. Parkinson

Inventor

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

Details

Inventor

active

Battery plate and methods of manufacture

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Composite battery plate grid

Metal working – Bias cutting of tubular stock
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Machine for making expanded metal

Metal working – Expanded metal making – By use of reciprocating perforator
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Machine for making expanded metal

Metal working – Expanded metal making – By use of reciprocating perforator
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Machine for making expanded metal

Metal working – Expanded metal making – By use of reciprocating perforator
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

David B. Parkinson does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-334515

  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