Title:
Method of perforating well casings
United States Patent 2399211

Inventors:
Davis, Clyde O.
Burrows, Lawton A.
Publication Date:
04/30/1946
View Patent Images:
Download PDF 2399211 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Pont DU.
Primary Class:
175/4.600
Other Classes:
89/1.150
International Classes:
E21B43/117; F42B1/02; F42B3/08; E21B43/11; F42B1/00; F42B3/00