Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4214020 | Processes for coating bundles of hollow fiber membranes | Robert Ward, Richard C. H. Chang, Joseph A. Carden, Jr. | 1980-07-22 |
| 4183283 | Methods of cutting patted hollow filaments | Robert J. Heider | 1980-01-15 |