Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7451643 | Test to measure curling tendency of paper in laser printers | Kapil M. Singh, Frederick Karsa | 2008-11-18 |
| 7059181 | Test to measure curling tendency of paper in laser printers | Kapil M. Singh, Frederick Karsa | 2006-06-13 |
| 5899959 | Measurement of visual characteristics of paper | Kapil M. Singh, James F. Suska, Ronald A. Stone | 1999-05-04 |
| 5786894 | Measurement of paper pulp and fiber visual characteristics | Kapil M. Singh, James F. Suska, Jody MacDonald | 1998-07-28 |
| 5152504 | Vacuum valve | Terence W. Nixon | 1992-10-06 |
| 4637301 | Contamination control work station | — | 1987-01-20 |
| D287621 | Clean air work station | — | 1987-01-06 |