3163491

Information

• Patent Grant
• 3163491

• References
• Source

• Patent Number

  3,163,491

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1964
  61 years ago

• CPC

  • G01D15/02 - Styli or other recording elements acting to mechanically deform or perforate the recording surface

• US Classifications

  • 346 - Recorders