Mark S. Johnston

Follow

Person

Neenah, WI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Surface pattern for a dandy roll screen
- Patent number D427219
- Issue date Jun 27, 2000
- The Mead Corporation
- Richard C. Stielow
- D15 - Machines not elsewhere specified
Information Patent Grant
Dandy roll with a grid of diamond shapes
- Patent number 5,932,071
- Issue date Aug 3, 1999
- The Mead Corporation
- Richard C. Stielow
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE