Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850729 | Decontaminating composition and delivery system therefor | David N. Kramer | 1989-07-25 |
| 4847089 | Cleansing and distinfecting compositions, including bleaching agents, and sponges and other applicators incorporating the same | David N. Kramer | 1989-07-11 |