4. Communications: electrical
  5. Audible indication
  6. Percussion-type sound producer

Keith A. Engstrom

Inventor

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

Details

Inventor

active

Enclosure for electrical data input apparatus

Geometrical instruments – Straightedge type – Base attached
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Force transducer

Measuring and testing – Dynamometers – Responsive to force
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Keyboard data entry system with hysteresis

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Keyboard with electronic hysteresis

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Method for producing opto-electronic circuit using laser-trimmin

Electric heating – Metal heating – By arc
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

Keith A. Engstrom does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-980777

  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