Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D404979 | Bottle-attaching funnel | Douglas K. Harman | 1999-02-02 |
| D401143 | Attachment-bearing bottle | Douglas K. Harman | 1998-11-17 |
| D287939 | Sprinkler spout closure | — | 1987-01-27 |
| D286380 | Pouring spout | — | 1986-10-28 |