3079691

Information

• Patent Grant
• 3079691

• References
• Source

• Patent Number

  3,079,691

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1963
  61 years ago

• CPC

  • B43L13/005 - Portable combined drawing-aids including boards

• US Classifications

  • 033 - Geometrical instruments