Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6701867 | Birdfeeder with self cleaning connection mechanism | — | 2004-03-09 |
| 5829382 | Birdfeeder with removable base | — | 1998-11-03 |
| 5640824 | Buildings and building components | Ronald K. Johnson | 1997-06-24 |
| 5390466 | Buildings and building components | Ronald K. Johnson | 1995-02-21 |