Harry E. Deverell

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Natrona Heights, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of welding ferritic and austenitic stainless steels and prod...
- Patent number 4,525,620
- Issue date Jun 25, 1985
- Allegheny Ludlum Steel Corporation
- Harry E. Deverell
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Controlled weld area grinding to prevent the initiation of intergra...
- Patent number 4,211,042
- Issue date Jul 8, 1980
- Allegheny Ludlum Steel Corporation
- Harry E. Deverell
- B24 - GRINDING POLISHING