Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D379976 | Rear portion of a top surface for a videocassette | Gregory H. Johnson, Donald J. Staufenberg | 1997-06-17 |
DC
David A. Crist
Overall (All Time): #3,718,392 of 4,157,543Top 90%
1
Patents All Time