3522770

Information

• Patent Grant
• 3522770

• References
• Source

• Patent Number

  3,522,770

• Date Filed

  Not available

• Date Issued

  Tuesday, August 4, 1970
  54 years ago

• CPC

  • B41M5/0005 - Enlarging or reduction of graphic information on a support by stretching or contracting the support, optionally in combination with the recording

• US Classifications

  • 101 - Printing
  • 396 - Photography
  • 400 - Typewriting machines