Elbert A. Willis

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Mexico, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Sprayable plastic refractory
- Patent number 4,952,534
- Issue date Aug 28, 1990
- A. P. Green Industries, Inc.
- Allen R. Davis
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Sprayable plastic refractory
- Patent number 4,810,537
- Issue date Mar 7, 1989
- A. P. Green Industries, Inc.
- Allen R. Davis
- F27 - FURNACES KILNS OVENS RETORTS