Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4223552 | Apparatus and method for sensing a substance on a liquid surface | — | 1980-09-23 |
| 4206552 | Means and method for controlling the operation of a drying apparatus | Daniel I. Pomerantz, Walter R. Spofford | 1980-06-10 |