Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7435195 | Stroke training apparatus and methods for using same | — | 2008-10-14 |
| 5177497 | Completed plot rolling mechanism for a plotter | Patrick Nguyen, John M. Bertalan | 1993-01-05 |
| 4551232 | Process and facility for making coke suitable for metallurgical purposes | Humberto Betancourt | 1985-11-05 |
| 4521277 | Apparatus for upgrading heavy hydrocarbons employing a diluent | Ignacio Layrisse | 1985-06-04 |
| 4455221 | Process for upgrading heavy hydrocarbons employing a diluent | Ignacio Layrisse | 1984-06-19 |