3810197

Information

• Patent Grant
• 3810197

• References
• Source

• Patent Number

  3,810,197

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1974
  50 years ago

• CPC

  • B41B27/36 - using electronic devices
  • B41B17/34 - on a cylinder

• US Classifications

  • 396 - Photography