Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4940335 | Method and apparatus for adding predetermined quantity of material to a reactor | — | 1990-07-10 |
| 4342180 | Assembly method of constructing a building | Paul H. Kellert | 1982-08-03 |