Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4663473 | Isocyanates from oxalyl chloride and amines | Maria A. Geigel | 1987-05-05 |
| 4337213 | Controlled crystallization diperoxyacid process | Maria A. Geigel | 1982-06-29 |
| 4201512 | Radially staged drag turbine | F. Michael Lewis, Charles E. Lapple, Robert G. Murray, Konrad T. Semrau | 1980-05-06 |