Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372380 | Filter and method of forming | Andrew J. Duffy, Richard B. Kaplan, Stanley A. Racik, Edwin P. Stankiewicz, Robert H. Tuffias | 1994-12-13 |
| 5283109 | High temperature resistant structure | Richard B. Kaplan, Hugh O. Pierson, J. Grady Sheek, Robert H. Tuffias | 1994-02-01 |