1788594

Information

• Patent Grant
• 1788594

• References
• Source

• Patent Number

  1,788,594

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1931
  94 years ago

• CPC

  • B41B5/02 - Matrices

• US Classifications

  • 101 - Printing
  • 199 - Type casting