4. Multiplex communications
  5. Wide area network
  6. Packet switching

John R. Donak

Inventor

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

Details

Inventor

active

Alternate network fallback for IP telephony

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Alternate routing schemes using quality of service...

Telephonic communications – Call or terminal access alarm or control – At switching center
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Call progress signal monitor and method for telephone systems

Multiplex communications – Wide area network – Packet switching
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Method and apparatus for prioritizing voice and data in a...

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
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

John R. Donak does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-1095329

  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