1967072

Information

• Patent Grant
• 1967072

• References
• Source

• Patent Number

  1,967,072

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1934
  90 years ago

• CPC

  • G04D7/1221 - with recording

• US Classifications

  • 346 - Recorders
  • 073 - Measuring and testing
  • 968 - Horology