Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5736304 | Method of processing black-and-white photographic materials | Christopher B. Rider, Paul W. Wagner, Andrew Michael Wyner | 1998-04-07 |
| 5460780 | Temperature control device and reaction vessel | Jeffrey A. Wellman, John S. Lercher | 1995-10-24 |
| 5452044 | Processing apparatus | — | 1995-09-19 |
| 5379087 | Processing apparatus | John S. Lercher, Lee F. Frank, Paul W. Wagner, Jeffrey L. Helfer | 1995-01-03 |
| 5341189 | Photosensitive material processor | Jeffrey L. Helfer | 1994-08-23 |
| 5313242 | Thru-wall web processing apparatus | John S. Lercher | 1994-05-17 |
| 5289224 | Processing apparatus | Lee F. Frank | 1994-02-22 |
| 5181329 | Drying apparatus | Lee F. Frank, Jeffrey L. Helfer, Haribhajan S. Kocher, Paul M. Wagner | 1993-01-26 |
| 5150955 | Drying apparatus | Lee F. Frank, Jeffrey L. Helfer, Haribhajan S. Kocher, Paul W. Wagner | 1992-09-29 |
| 5133938 | Lockable valve mechanism for sample pouch | Thomas W. Glanville | 1992-07-28 |
| 5098660 | Transfer apparatus for chemical reaction pack | — | 1992-03-24 |
| 5089233 | Processing apparatus for a chemical reaction pack | John S. Lercher, Jeffrey A. Wellman | 1992-02-18 |
| 4965618 | Method and apparatus for transporting and liquid treating indeterminate lengths of web material | Edward H. Wannenwetsch | 1990-10-23 |
| 4877586 | Sliding test device for assays | Edward H. Wannenwetsch | 1989-10-31 |
| 4746614 | Extraction device | Thomas W. Glanville | 1988-05-24 |
| 4710352 | Simplified test element advancing mechanism having positive engagement with element | Daniel A. Slater, William A. Meredith, Jr. | 1987-12-01 |