3509804

Information

• Patent Grant
• 3509804

• References
• Source

• Patent Number

  3,509,804

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1970
  54 years ago

• CPC

  • B41B17/08 - with a fixed carrier
  • B41B21/16 - Optical systems

• US Classifications

  • 396 - Photography
  • 359 - Optical: systems and elements