Stem seal for tapered lubricated plug valves
A Standard patent application filed on 14 August 1986 credited to Duffey, Donn W.
;
Schoeneweis, E. Frederick
Details
Application number :
61144
Application type :
Standard
Application status :
EXPIRED
Under opposition :
No
Proceeding type :
Invention title :
Stem seal for tapered lubricated plug valves
Inventor :
Duffey, Donn W.
;
Schoeneweis, E. Frederick
Agent name :
Griffith Hack
Address for service :
GPO Box 1285 MELBOURNE VIC 3001
Filing date :
14 August 1986
Associated companies :
Applicant name :
M&FC Holding Company, Inc.
Applicant address :
1100 N. Market Street, Wilmington, Delaware, USA 19801