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Home › Friction pull plug welding: dual chamfered plate hole

Friction pull plug welding: dual chamfered plate hole

US Patent 6230958 · Granted May 15, 2001

Estimated economic value: $20,880,000 ⓘ

Assignee

Lockheed Martin

Inventors

Edmond R. Coletta (5 patents)
Mark A. Cantrell (8 patents)

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