4. Coating implements with material supply
  5. Solid material for rubbing contact or support therefor

Dennis P. O'Brien

Inventor

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

Details

Inventor

active

Fragrance releasing crayons

Coating implements with material supply – Solid material for rubbing contact or support therefor
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Fuel cell catalyst

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Separator – retainer or spacer insulating structure
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Method for making oxygen-reducing catalyst layers

Coating processes – Electrical product produced – Fuel cell part
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Oxygen-reducing catalyst layer

Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Electrode structure or composition
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Registration arrangement for fuel cell assemblies

Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
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

Dennis P. O'Brien does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-1520121

  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