671882

Information

• Patent Grant
• 671882

• References
• Source

• Patent Number

  671,882

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1901
  124 years ago

• CPC

  • G03F7/14 - Production of collotype printing forms
  • Y10S430/151 - Matting or other surface reflectivity altering material

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof