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Ruhlman; James D.
Warren, PA
No. of patents:

Patent Number Title Of Patent Date Issued
5305505 Process of making a multi-section bomb casing April 26, 1994
A process for making multi-section bomb casings of high strength alloy steel at a reasonable production rate that have the strength and fracture properties of single-piece casings, with the sections being joined using friction welding techniques.

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