William S. Drummond

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Medford, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Plastic container sorting system and method
- Patent number 5,443,164
- Issue date Aug 22, 1995
- Simco/Ramic Corporation
- Casey P. Walsh
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Apparatus and method for sorting post-consumer articles according t...
- Patent number 5,419,438
- Issue date May 30, 1995
- Simco/Ramic Corporation
- H. Parks Squyres
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL