3656850

Information

• Patent Grant
• 3656850

• References
• Source

• Patent Number

  3,656,850

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  52 years ago

• CPC

  • G03B27/44 - for multiple copying of the same original at the same time

• US Classifications

  • 355 - Photocopying