1690616

Information

• Patent Grant
• 1690616

• References
• Source

• Patent Number

  1,690,616

• Date Filed

  Not available

• Date Issued

  Tuesday, November 6, 1928
  96 years ago

• CPC

  • G03D3/135 - fed between chains or belts, or with a leading strip
  • G03D11/00 - Reversal processing apparatus

• US Classifications

  • 396 - Photography