Douglas McPherson

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Springfield, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Cover device for a drainage apparatus for a papermaking machine
- Patent number 9,708,766
- Issue date Jul 18, 2017
- Paperchine Inc.
- Douglas McPherson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
COVER DEVICE FOR A DRAINAGE APPARATUS FOR A PAPERMAKING MACHINE
- Publication number 20140345820
- Publication date Nov 27, 2014
- PAPERCHINE INC.
- Douglas McPherson
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE