4. Electric lamp and discharge devices
  5. Cathode ray tube
  6. Shadow mask, support or shield

Albertus B. De Vries

Inventor

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

Details

Inventor

active

Method of manufacturing a shadow mask of the nickel-iron type

Electric lamp or space discharge component or device manufacturi – Process – Electrode making
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Shadow mask of the nickel-iron type having specific composition

Electric lamp and discharge devices – Cathode ray tube – Shadow mask – support or shield
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

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

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

Rate now

     

Profile ID: LFUS-PAI-P-1578877

  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