1133587

Information

• Patent Grant
• 1133587

• References
• Source

• Patent Number

  1,133,587

• Date Filed

  Not available

• Date Issued

  Tuesday, March 30, 1915
  109 years ago

• CPC

  • B43L9/08 - Proportional compasses or dividers

• US Classifications

  • 033 - Geometrical instruments