Title:
Magnetically set packer
United States Patent 3027944
Inventors:
Feeser, John R.
Application Number:
US6899460A
Publication Date:
04/03/1962
Filing Date:
11/14/1960
Assignee:
CAMCO INC
Primary Class:
Other Classes:
166/66.4, 166/66.5, 166/122, 166/187
International Classes:
E21B23/06
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