Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573292 | Prefabricated, self-contained building | Charles E. Kaufman, Marvin R. Shetler | 1986-03-04 |
| 4485608 | Prefabricated, self-contained building and method of construction | Charles E. Kaufman, Marvin R. Shetler | 1984-12-04 |