Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D459358 | Front panel for a computer system enclosure | John A. Helgenberg, Peter P. Klein, Philip V. Plano, Bruce M. Bartling | 2002-06-25 |
| D433418 | Front panel for a computer system enclosure | Norman Newman, Peter P. Klein, Philip V. Plano, John A. Helgenberg | 2000-11-07 |
| D258959 | Printer | Richard G. Clayton, Jerry J. Sims, Thomas W. Crump | 1981-04-21 |