Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4729876 | Blood analysis system | Henry R. Angel, William J. Casey, Samuel P. Baron | 1988-03-08 |
| 4706207 | Count accuracy control means for a blood analyses system | Henry R. Angel, Richard A. Carlson | 1987-11-10 |
| 4296373 | Hematology cell counting apparatus incorporating multiple transducers for sequential operation | Henry R. Angel | 1981-10-20 |