Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6386972 | Vent apparatus | Charles E. Schiedegger, Michael C. Clark | 2002-05-14 |
| 6383072 | Vent apparatus | Charles E. Schiedegger, Michael C. Clark | 2002-05-07 |
| 6196915 | Vent apparatus | Charles E. Schiedegger, Michael C. Clark | 2001-03-06 |
| 5947816 | Modular soffit vent | Charles E. Schiedegger, Michael C. Clark | 1999-09-07 |
| 5791985 | Modular soffit vent | Charles E. Schiedegger, Michael C. Clark | 1998-08-11 |