×

Automatic control valve for branch pipe lines

  • US 2,641,280 A
  • Filed: 06/23/1948
  • Issued: 06/09/1953
  • Est. Priority Date: 06/23/1948
  • Status: Expired due to Term
First Claim
Patent Images

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