2770884

Information

• Patent Grant
• 2770884

• References
• Source

• Patent Number

  2,770,884

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1956
  68 years ago

• CPC

  • B43L9/08 - Proportional compasses or dividers

• US Classifications

  • 033 - Geometrical instruments