Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D385886 | Phone placard | Gary B. Volpe, Karen Frick, David Prahl | 1997-11-04 |
| D379994 | Phone placard | Gary B. Volpe, Karen Frick, David Prahl | 1997-06-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D385886 | Phone placard | Gary B. Volpe, Karen Frick, David Prahl | 1997-11-04 |
| D379994 | Phone placard | Gary B. Volpe, Karen Frick, David Prahl | 1997-06-17 |