Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 178/106
Name: Telegraphy > Keys > Shifting contact point
Description: Telegraph keys having one or more of the contacts movable or revoluble, so that the points of contact may be renewed when they are roughened or burned by heavy currents or use.










Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Use of physical deformation during scanning of an object to generate views of the object
System and method for solving connection violations
Process for the enzymatic reduction of enoates
Motor assembly
Print control server, print controlling method, and print control program
Electronic device, communication control method of electronic device, and information terminal device
Smartphone
  Randomly Featured Patents
Screw shaft surface
Method and system for programming and driving active matrix light emitting device pixel
Piezoelectric ceramic material
Recipe calculator
Use of an anti-microbial compound for disinfection
Support apparatus, method and system for real time operations and maintenance
Wellbore top drive systems
Hydrodynamic multi-stage pump
Arrangement for step-by-step conveyance of printed products
Guideway coil of laminated foil construction for magnetically levitated transportation system