Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9277908 | Retractor | John Butler, Derek Young, Alan Reid, Frank Bonadio | 2016-03-08 |
| 8012088 | Retractor | John Butler, Derek Young, Alan Reid, Frank Bonadio | 2011-09-06 |
| 7445597 | Retractor | John Butler, Derek Young, Alan Reid, Frank Bonadio | 2008-11-04 |
| 6793621 | Colonic overtube | John Butler, Frank Bonadio, Edmund Brennan | 2004-09-21 |
| 6582364 | Retractor and method for use | John Butler, Derek Young, Alan Reid, Frank Bonadio | 2003-06-24 |
| 6254534 | Retractor | John Butler, Derek Young, Alan Reid, Frank Bonadio | 2001-07-03 |