2991713

Information

• Patent Grant
• 2991713

• References
• Source

• Patent Number

  2,991,713

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1961
  63 years ago

• CPC

  • B41F3/28 - Proof-print presses for relief printing, lithography or intaglio printing

• US Classifications

  • 101 - Printing
  • D18 - Printing and office machinery