Apparatus for the use of shaped explosive charges
United States Patent 2667836

Inventors:
Church, Joseph H.
Kessenich, Gregory J.
Publication Date:
02/02/1954
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Assignee:
Church, Joseph H.
Kessenich, Gregory J.
Primary Class:
Other Classes:
175/4.600, 89/1.150, 29/421.100
International Classes:
F42B3/08; F42B3/00
US Patent References:
2509657Gun perforator
2587244Apparatus for cutting pipes within a well
2616370Well explosive