2746157

Information

• Patent Grant
• 2746157

• References
• Source

• Patent Number

  2,746,157

• Date Filed

  Not available

• Date Issued

  Tuesday, May 22, 1956
  69 years ago

• CPC

  • B43L7/08 - with arrangements for attaching additional drawing equipment

• US Classifications

  • 033 - Geometrical instruments