Drill pipe tubing and casing protectors
A Standard patent application filed on 12 October 1994 credited to Herrera, Derek
;
Corkhill, John Philip
;
Herrera, Gregory John
;
Herrera, Alex Joseph Gerard
Details
Application number :
78206
Application type :
Standard
Application status :
WITHDRAWN
Under opposition :
No
Proceeding type :
Invention title :
Drill pipe tubing and casing protectors
Inventor :
Herrera, Derek
;
Corkhill, John Philip
;
Herrera, Gregory John
;
Herrera, Alex Joseph Gerard