4. Expanded, threaded, driven, headed, tool-deformed, or locked-thr
  5. Externally threaded fastener element, e.g., bolt, screw, etc.
  6. Pilot end having means enhancing fastening or installation

David James Alexander Roberts

Inventor

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

Details

Inventor

active

Fastening screw and method of forming same

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Pilot end having means enhancing fastening or installation
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Screw threaded fastener and fastening system

Static structures (e.g. – buildings) – Lapped multiplanar surfacing; e.g. – shingle type – Interfitted sections
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

David James Alexander Roberts 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 James Alexander Roberts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and David James Alexander Roberts will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-P-2013204

  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