×

Surface cleaning device employing liquid cleaning agent

  • US 2,506,077 A
  • Filed: 03/01/1945
  • Issued: 05/02/1950
  • Est. Priority Date: 03/01/1945
  • Status: Expired due to Term
First Claim
Patent Images

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×