1929537

Information

• Patent Grant
• 1929537

• References
• Source

• Patent Number

  1,929,537

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1933
  91 years ago

• CPC

  • G01P3/18 - transferred to the indicator by mechanical means

• US Classifications

  • 073 - Measuring and testing