×

Automatic lubricant sealed gate valve

  • US 2,954,044 A
  • Filed: 01/11/1956
  • Issued: 09/27/1960
  • Est. Priority Date: 01/11/1956
  • Status: Expired due to Term
First Claim
Patent Images

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