2997303

Information

• Patent Grant
• 2997303

• References
• Source

• Patent Number

  2,997,303

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1961
  63 years ago

• CPC

  • G11B3/04 - Multiple, convertible, or alternative transducing arrangements
  • G11B19/265 - Friction wheel drive

• US Classifications

  • 369 - Dynamic information storage or retrieval