1907906

Information

• Patent Grant
• 1907906

• References
• Source

• Patent Number

  1,907,906

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1933
  91 years ago

• CPC

  • B65G11/04 - for mail in buildings

• US Classifications

  • 193 - Conveyors, chutes, skids, guides, and ways