Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 178/109
Name: Telegraphy > Keys > Spring pivot
Description: Telegraph keys made of spring metal or connected to their supports by leaf springs functioning as pivots.










Patents under this class:

Patent Number Title Of Patent Date Issued
5773769 Twin lever key with horizontal finger pads for code transmission Jun. 30, 1998











 
 
  Recently Added Patents
Data storage device and block selection method for a flash memory
System and method for reducing antivirus false positives
LED light
Computer system for routing package deliveries
System for alarming upon occurrence of secession of smart key for vehicles
JTAG multiplexer with clock/mode input, mode/clock input, and clock output
Determination and presentation of package pricing offers in response to customer interest in a product
  Randomly Featured Patents
Power connector with vertical male AC power contacts
Coordinating user target logons in a single sign-on (SSO) environment
Electronic calculating machine
Briefcase / carrying case
Runtime register allocator
Optical signal measurement instrument and wide dynamic range optical receiver for use therein
Process for forming filled bearings from fluoropolymer dispersions stabilized with anionic polyelectrolyte dispering agents
Method for inhibiting skin lesion formation using histamine as the active ingredient
Rail-climbing elevator counterweight having flat machines
Portable trouble lamp