1721323

Information

• Patent Grant
• 1721323

• References
• Source

• Patent Number

  1,721,323

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1929
  95 years ago

• CPC

  • B43L17/02 - for blotting-paper sheets

• US Classifications

  • 034 - Drying and gas or vapor contact with solids