1638544

Information

• Patent Grant
• 1638544

• References
• Source

• Patent Number

  1,638,544

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1927
  97 years ago

• CPC

  • B41F3/02 - with impression cylinder or cylinders rotating unidirectionally

• US Classifications

  • 101 - Printing