1718138

Information

• Patent Grant
• 1718138

• References
• Source

• Patent Number

  1,718,138

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1929
  95 years ago

• CPC

  • H03J1/16 - Single control means independently performing two or more functions

• US Classifications

  • 330 - Amplifiers
  • 334 - Tuners
  • 361 - Electricity: electrical systems and devices