Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D304340 | Machine for dehydrating photographic chemicals | James A. DeLeeuw | 1989-10-31 |
| 4828717 | Device and method for reducing volume of aqueous waste effluents | James A. DeLeeuw | 1989-05-09 |
| 4356679 | Apparatus for applying a degrading chemical to envelopes | James B. Ellis, Joseph Savit | 1982-11-02 |
| 4356683 | Method and apparatus for holding and conveying a batch of envelopes to facilitate the opening of the envelopes | James B. Ellis, Mieczyslaw J. Lisiecki | 1982-11-02 |
| 4356684 | Batch method and apparatus for heating envelope edges to separate the envelope panels | James B. Ellis | 1982-11-02 |