Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D519783 | Wine glass | Michael Lambert, Robert K. Schiebelhut, James I. Efird, William Turrentine, Lori Evans Bartman | 2006-05-02 |
| D509993 | Wine glass | Michael Lambert, Robert K. Schiebelhut, James I. Efird, William Turrentine, Lori Evans Bartman | 2005-09-27 |