Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D347585 | Steam sterilization monitor | Frank E. Platko, Ken Summer, Irving A. Speelman | 1994-06-07 |
| 4983416 | Manufacturing method for an occult fecal blood test slide | Andrew A. Zwarun | 1991-01-08 |