4. Chairs and seats
  5. Headrest
  6. Adjustable rectilinearly vertically

David E. Wallis

Inventor

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

Details

Inventor

active

Head rest lock

Chairs and seats – Headrest – Adjustable rectilinearly vertically
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Low-frequency radio navigation system

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Omni-directional airport taxiway light and fixture

Illumination – With static structure – Pavement
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Passenger oxygen mask having a plurality of fingers and recesses

Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Recreational vehicle center console seat with folding armrest an

Chairs and seats – Movable back – Tiltable
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 E. Wallis 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 E. Wallis, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and David E. Wallis will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-P-159154

  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