Donald E. Brumfield

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Selma, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Thermal break frame with load transfer member
- Patent number 4,514,948
- Issue date May 7, 1985
- Disco Aluminum Products Co., Inc.
- William Meigs
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS