Issued Patents All Time
Showing 126–150 of 165 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325977 | Vented closure for a capillary tube | John L. Haynes, III, Edward Williamson | 1994-07-05 |
| 5321975 | Differential erythrocyte counts | Robert A. Levine | 1994-06-21 |
| 5251474 | Centrifuged material layer measurement in an evacuated tube | Robert A. Levine | 1993-10-12 |
| 5252460 | In vitro detection of ova, parasites, and other formed elements in stool | Paul Fiedler, Robert A. Levine | 1993-10-12 |
| 5203825 | Capillary tube assembly including a vented cap | John L. Haynes, III, Edward Williamson | 1993-04-20 |
| 5198927 | Adapter for microscope | Richard R. Rathbone | 1993-03-30 |
| 5171528 | Device for differentiating the source of occult gastro-intestinal bleeding | Robert A. Levine | 1992-12-15 |
| 5137832 | Quantification of fibrinogen in whole blood samples contained in a tube using a float to separate materials | Robert A. Levine, Allan Hart | 1992-08-11 |
| 5086784 | Centrifuged material layer measurements taken in an evacuated tube | Robert A. Levine | 1992-02-11 |
| 5064766 | Method for differentiating the source of occult gastrointestinal bleeding | Robert A. Levine | 1991-11-12 |
| 4953975 | Correction of material layer volume measurements | Robert A. Levine | 1990-09-04 |
| 4952054 | Correction of blood count tube readings | Robert A. Levine | 1990-08-28 |
| 4940668 | Method for increasing agglutination of groups of cells to produce improved cell layer interface in centrifuged blood sample | Robert A. Levine, Rodolfo Rodriguez, Michael R. Loken | 1990-07-10 |
| 4875364 | Method for measuring hemoglobin | Robert A. Levine | 1989-10-24 |
| 4843869 | Method for measuring hemoglobin | Robert A. Levine | 1989-07-04 |
| 4823624 | Material layer volume determination with correction band | Rodolfo Rodriguez, Matthew W. Lesniesky, Charles F. Galanaugh, Robert A. Levine, Theodore Juraschek | 1989-04-25 |
| 4808379 | Device for obtaining stool samples and detecting occult blood | Robert A. Levine | 1989-02-28 |
| 4804518 | Device for occult blood testing | Robert A. Levine | 1989-02-14 |
| 4779976 | Multiparameter hematology measurement for veterinarians | Robert A. Levine | 1988-10-25 |
| 4774965 | Material layer volume determination with correction band | Rodolfo Rodriguez, Matthew W. Lesnieskl, Charles F. Galanaugh, Robert A. Levine, Theodore Juraschek | 1988-10-04 |
| 4703761 | Blood sampling device for obtaining small quantity of venous blood | R. Rodion Rathbone | 1987-11-03 |
| 4703762 | Blood sampling device for obtaining dual samples of venous blood | R. Rodion Rathbone | 1987-11-03 |
| 4700715 | Device for detecting nocturnal penile erections | Robert A. Levine | 1987-10-20 |
| 4695553 | Method for increasing agglutination of groups of cells to produce improved cell layer interface in centrifuged blood sample using antibodies | Robert A. Levine, Rodolfo Rodriguez, Michael R. Loken | 1987-09-22 |
| 4683579 | Method and apparatus for measuring blood constituent counts | — | 1987-07-28 |