Title:
CASING HANGER APPARATUS
United States Patent 3543847


Inventors:
Haeber, John A.
Application Number:
US3543847DA
Publication Date:
12/01/1970
Filing Date:
11/25/1968
Assignee:
VETCO OFFSHORE IND INC
Primary Class:
Other Classes:
166/115, 166/208, 166/360
International Classes:
E21B33/043; (IPC1-7): E21B33/035; E21B33/12; E21B43/10
View Patent Images: