1888257

Information

• Patent Grant
• 1888257

• References
• Source

• Patent Number

  1,888,257

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1932
  92 years ago

• CPC

  • A47B41/06 - Holders or supports for guiding copy-books, slates, or the like

• US Classifications

  • 248 - Supports