Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6211941 | Matte process for composite photography | — | 2001-04-03 |
| 5972440 | Floating segmented conglomerate traveling matte backing | — | 1999-10-26 |
| 5897413 | Travelling mat backing | — | 1999-04-27 |
| 4629298 | Flux projector for use with composite photography | Donald W. Trumbull, Stephen C. Fog, Paul B. Burke | 1986-12-16 |
| 4548470 | Projection screen | — | 1985-10-22 |
| 4417791 | Process for composite photography | Roger Dorney | 1983-11-29 |