4. Movable or removable closures
  5. Arcuate closure rotates across arcuate opening

Attilio Colombo

Inventor

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

Details

Inventor

active

Helicopter with an improved vibration control device

Aeronautics and astronautics – Aircraft – heavier-than-air – Helicopter or auto-rotating wing sustained – i.e. – gyroplanes
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Revolving security door for banks and the like

Movable or removable closures – Plural wings radiate from common pivot; i.e. – revolving
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Security vestibule entry for controlled access to banks and the

Movable or removable closures – Arcuate closure rotates across arcuate opening
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

Attilio Colombo does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-742141

  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