Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8776344 | Steam reformer tube assembly and method of assembling or retrofitting same | Paul van Helmond | 2014-07-15 |
| 5012601 | Picture frame assembly | Melvin L. Thomas | 1991-05-07 |