4. Cryptography
  5. Key management
  6. Key distribution

Paul E. Callahan

Examiner

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

Details

Examiner

active

No affiliations

Access control/crypto system

Electrical computers and digital processing systems: support – System access control based on user identification by... – Using record or token
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Anonymous certified delivery

Data processing: financial – business practice – management – or co – Business processing using cryptography – Secure transaction
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Apparatus and method for authenticating the dispatch and...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Apparatus and method for authenticating the dispatch and...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Apparatus and method for electronic document certification...

Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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

Paul E. Callahan does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-372035

  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