Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D328332 | Container for swimming pool chemical tablets | — | 1992-07-28 |
| D266055 | Bottle guard | William L. Schroeder | 1982-09-07 |
| 4300612 | Safety enclosure for glass bottles containing hazardous materials | William L. Schroeder | 1981-11-17 |