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 supporting fibre channel over ethernet communication
Media processing method and device
Highly stable electrolytic water with reduced NMR half line width
360-degree angle decoder
Starch networks as absorbent or superabsorbent materials and their preparation by extrusion
Display screen with graphical user interface
Lighting elements
  Randomly Featured Patents
Methods and compositions for targeting agents into and across the blood-barrier and other endothelial cell microvascular barriers
Boardsailing board
Magnetic tilt and raise/lower mechanisms for a venetian blind
Biphasic crystalline separation of water insoluble orange pigments from monascus species
Navigation apparatus
Methods, systems and computer program products for providing low risk portable alpha investment instruments
Screw and screwdriver
Automatic voice device for fire extinguisher
Apparatus and method for reducing the variance of grating spacing in an optical fiber