933526

Information

• Patent Grant
• 933526

• References
• Source

• Patent Number

  933,526

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1909
  115 years ago

• CPC

  • A47L5/06 - with rotary fans

• US Classifications

  • 015 - Brushing, scrubbing, and general cleaning