2331892

Information

• Patent Grant
• 2331892

• References
• Source

• Patent Number

  2,331,892

• Date Filed

  Not available

• Date Issued

  Tuesday, October 19, 1943
  81 years ago

• CPC

  • B43L9/045 - Tape compasses

• US Classifications

  • 033 - Geometrical instruments
  • 242 - Winding, tensioning, or guiding