2889415

Information

• Patent Grant
• 2889415

• References
• Source

• Patent Number

  2,889,415

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1959
  65 years ago

• CPC

  • H03F3/44 - with tubes only

• US Classifications

  • 330 - Amplifiers
  • 188 - Brakes