Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5502089 | Polymer emulsion agent for cross-linking a polymer emulsion and method for making a polymer film | Paul R. Van Rheenen | 1996-03-26 |
| 5322600 | Method and apparatus for removal of selenium from solution | Robert A. Spitz | 1994-06-21 |
| 5009868 | Process for the extended use of strip acid employed in the reclamation of battery acid fluid from expanded lead-acid batteries | Robert A. Spitz | 1991-04-23 |