Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D698266 | Dual compartment fluid container | Briggette Downs | 2014-01-28 |
| 7072048 | Interferometric plural-dimensional displacement measuring system | — | 2006-07-04 |
| 6678056 | Jamin-type interferometers and components therefor | — | 2004-01-13 |
| 6086381 | Interactive learning system | Patrick Downs, Gerald P. McLaughlin, Brian Mihalka | 2000-07-11 |
| 5847828 | Michelson interferometer using matched wedge-shaped beam splitter and compensator | — | 1998-12-08 |
| 5546184 | Single-frequency bidirectional fringe-counting interferometer | — | 1996-08-13 |
| 4898639 | Wafer retention device | Rolf Moe, David Correia | 1990-02-06 |
| 4576479 | Apparatus and method for investigation of a surface | — | 1986-03-18 |
| 4571082 | Apparatus and method for measuring refractive index | — | 1986-02-18 |
| 4534649 | Surface profile interferometer | — | 1985-08-13 |
| 4360271 | Interferometer systems | Kenneth W. Raine | 1982-11-23 |