2804688

Information

• Patent Grant
• 2804688

• References
• Source

• Patent Number

  2,804,688

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1957
  67 years ago

• CPC

  • B25H7/04 - Devices
  • B43L9/045 - Tape compasses

• US Classifications

  • 033 - Geometrical instruments