Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5899959 | Measurement of visual characteristics of paper | William Shields, Kapil M. Singh, Ronald A. Stone | 1999-05-04 |
| 5786894 | Measurement of paper pulp and fiber visual characteristics | William Shields, Kapil M. Singh, Jody MacDonald | 1998-07-28 |
| 5394247 | Measurement of paper curl tendency using specular and diffuse light reflection | David W. Vahey | 1995-02-28 |