3330210

Information

• Patent Grant
• 3330210

• References
• Source

• Patent Number

  3,330,210

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1967
  57 years ago

• CPC

  • B65H9/18 - Assisting by devices such as reflectors, lenses, transparent sheets, or mechanical indicators

• US Classifications

  • 101 - Printing
  • 033 - Geometrical instruments