Terence L. Havranek

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Lower Burrell, PA, US

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Patents Grantslast 30 patents

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Insulating heat retention system and method
- Patent number 5,101,652
- Issue date Apr 7, 1992
- Allegheny Ludlum Corporation
- David L. Burk
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...