Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 178/71.13
Name: Telegraphy > Repeaters > Automatic in either direction > Relay only
Description: Telegraph repeater using exclusively electromechanical operated contact.

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
System and method for creating a build set and bill of materials from a master source model
Architectural panel with millet and grass
Secure data entry device
Management of computer-file sharing between at least two devices
Automated incorporation of expert feedback into a monitoring system
System and method for combined I/Q generation and selective phase interpolation
Locking flange
  Randomly Featured Patents
Parallel infusion apparatus and method
Record medium and method of controlling access to record medium
Probe for sensing contact via acceleration
Controlling protein levels in eucaryotic organisms
Recovering microorganisms from soil by suspending soil in a citrate buffer
Thread design for uniform distribution of makeup forces
Apparatus and method for providing damper liquid in a gas turbine
Method and apparatus for identifying a set of multiple items on conveyor system with multiread transponders
Sheep treadmill
Compositions containing thrombin and microfibrillar nanometer collagen, and methods for preparation and use thereof