3132946

Information

• Patent Grant
• 3132946

• References
• Source

• Patent Number

  3,132,946

• Date Filed

  Not available

• Date Issued

  Tuesday, May 12, 1964
  61 years ago

• CPC

  • G03F5/18 - using colour half-tone screens
  • G03F5/20 - using screens for gravure printing

• US Classifications

  • 359 - Optical: systems and elements