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
Maesa japonica extracts and methods of use
Automatic detection of image degradation in enhanced vision systems
Double patterning method using tilt-angle deposition
Inter-carrier communications for multimedia-message delivery
Multi-user remote health monitoring system with biometrics support
Eyeglasses
Gas flow indicator
  Randomly Featured Patents
Banderoling machine
Motor grader wheel slip control for cut to grade
Mounting device
Time-gap defect detection apparatus and method
Waterline cartridge
Pair of binoculars
Portable fire pit
Process for accelerated cure of epoxy resins
Bed skirt
Direct cranking electric rotary machine for vehicle