3075447

Information

• Patent Grant
• 3075447

• References
• Source

• Patent Number

  3,075,447

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1963
  61 years ago

• CPC

  • G03D15/006 - Retouching apparatus

• US Classifications

  • 396 - Photography
  • 251 - Valves and valve actuation