2787513

Information

• Patent Grant
• 2787513

• References
• Source

• Patent Number

  2,787,513

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1957
  67 years ago

• CPC

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

• US Classifications

  • 346 - Recorders