3806948

Information

• Patent Grant
• 3806948

• References
• Source

• Patent Number

  3,806,948

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1974
  50 years ago

• CPC

  • G01R17/04 - in which the reference value is continuously or periodically swept over the range of values to be measured

• US Classifications

  • 346 - Recorders
  • 400 - Typewriting machines