Biggerstaff; Charles E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Biggerstaff; Charles E..The latest application filed is for "vascular shunt graft and junction for same".
- Biggerstaff; Charles E. - Flagstaff AZ
| Patent | Date |
|---|---|
| Vascular shunt graft and junction for same Grant 6,019,788 - Butters , et al. February 1, 2 | 2000-02-01 |
| Apparatus and method for extruding and expanding polytetrafluoroethylene tubing and the products produced thereby Grant 4,876,051 - Campbell , et al. October 24, 1 | 1989-10-24 |
| Apparatus and method for extruding and expanding polytetrafluoroethylene tubing and the products produced thereby Grant 4,743,480 - Campbell , et al. May 10, 1 | 1988-05-10 |
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