1353703

Information

• Patent Grant
• 1353703

• References
• Source

• Patent Number

  1,353,703

• Date Filed

  Not available

• Date Issued

  Tuesday, September 21, 1920
  104 years ago

• CPC

  • A63H33/3083 - Printing machinery

• US Classifications

  • 101 - Printing
  • 352 - Optics: motion pictures