Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4471014 | Ordered bed packing module | James den Hartog, John P. Butler | 1984-09-11 |
| 4228034 | Catalytically active mass for the exchange of hydrogen isotopes between streams of gaseous hydrogen and liquid water | John P. Butler, John H. Rolston, James den Hartog, John W. Goodale | 1980-10-14 |