3781816

Information

• Patent Grant
• 3781816

• References
• Source

• Patent Number

  3,781,816

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • B41B27/40 - for proof-printing operations

• US Classifications

  • 358 - Facsimile and static presentation processing
  • 345 - Computer graphics processing and selective visual display systems
  • 400 - Typewriting machines