Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5743861 | Blood collection device | Richard L. Columbus, John Barclay, Ted Hanagan, Michael G. Lowery, Edward J. Gutierrez +2 more | 1998-04-28 |
| 5334247 | Coater design for low flowrate coating applications | Richard L. Columbus | 1994-08-02 |
| 5193552 | Needle device for safely collecting blood or injecting drugs | Richard L. Columbus, Johannes J. Porte | 1993-03-16 |
| 5159842 | Self-cleaning pipette tips | Richard L. Columbus | 1992-11-03 |
| 5070884 | Needle device for safely collecting blood or injecting drugs | Richard L. Columbus, Johannes J. Porte | 1991-12-10 |
| 5039401 | Blood collection and centrifugal separation device including a valve | Richard L. Columbus | 1991-08-13 |
| 5032288 | Blood collection method | Richard L. Columbus, Susan Melissa Atwood, Deborah P. Freyler | 1991-07-16 |