Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6235005 | Positive engagement-disengagement catheter sleeve | Joseph J. Chang, Cathy J. Myers | 2001-05-22 |
| 5688249 | Telescoping members for catheter introducer assembly | Joseph J. Chang, Dennis M. Bialecki, Philip Schmidt | 1997-11-18 |
| 5683365 | Tip protection device | Herbert R. Brown, Joseph J. Chang, Thomas E. Sloane, Jr., David L. Bogert, Gerald J. Kovalic | 1997-11-04 |
| 5419766 | Catheter with stick protection | Joseph J. Chang, Dennis M. Bialecki, Gerald J. Kovalic | 1995-05-30 |
| 5126090 | Method of forming a catheter with backflow restriction | William Egolf, Michael O'Neil, Joseph J. Chang | 1992-06-30 |
| 5078687 | Catheter with backflow restriction | William Egolf, Michael O'Neil, Joseph J. Chang | 1992-01-07 |