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

D. M. Duft

Representative

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

Details

Representative

active

No affiliations

Byte-by-byte type processor circuit

Communications: electrical – Digital comparator systems
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Digital data entry glove interface device

Communications: electrical – Audible indication – Percussion-type sound producer
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Frequency and phase comparator with slip detection capability

Pulse or digital communications – Repeaters – Testing
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

PBX automatic number identification system

Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Precision control frequency synthesizer having an unstable, vari

Oscillators – Automatic frequency stabilization using a phase or frequency... – Afc with logic elements
Patent

  [ 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

D. M. Duft does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-443306

  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