Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7211808 | Method and element for measuring radiation | James Griggs, David J. Steklenski, John Attwood | 2007-05-01 |
| 6892948 | Method of measuring dose of local radiation | David J. Steklenski, Wayne K. Shaffer, James Griggs | 2005-05-17 |
| RE35936 | Visual exposure indicating system | Anthony DiRisio, Edgar G. Earnhart | 1998-10-27 |
| 5552849 | Visual exposure indicating system | Anthony DiRisio, Edgar G. Earnhart | 1996-09-03 |
| 5522563 | Film cassette with latching device to prevent separation of cassette halves | Edgar G. Earnhart, Douglas M. Csaszar | 1996-06-04 |
| 5257750 | Film cassette with notched film leader | David Linne, Mark D. Fraser | 1993-11-02 |
| 5055874 | Film flattening apparatus and method | Christopher J. Kralles | 1991-10-08 |
| 5046679 | Film thrusting cassette | Joseph E. Yokajty, Bradley S. Bush | 1991-09-10 |
| 5040739 | Film-thrusting cassette | David C. Smart | 1991-08-20 |
| 5031855 | Film-thrusting cassette | Joseph E. Yokajty, Mark D. Fraser | 1991-07-16 |
| 4765716 | Photographic control device | Patrick A. Cosgrove | 1988-08-23 |