Gail E. Johnson

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Auburn, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pulp chip fissure test device and method for estimating screened pu...
- Patent number 5,970,783
- Issue date Oct 26, 1999
- Weyerhaeuser Company
- Benjamin E. Levie
- G01 - MEASURING TESTING
Information Patent Grant
Bar screen with bars of staggered height
- Patent number 5,368,168
- Issue date Nov 29, 1994
- Weyerhaeuser Co.
- Gevan R. Marrs
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING