Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D411841 | Data storage tape cartridge | William J. Vanderheyden, G. Phillip Rambosek, David T. Hoge, Gregory D. Volan | 1999-07-06 |
| D360005 | Ball pitching unit | Calvin A. Nickal, Jeffrey J. Newhouse, Louis R. Dilts, Gregory D. Volan | 1995-07-04 |
| D325217 | Housing for a printer system | Donald Kleinschnitz, John K. Martin, Gregory D. Volan | 1992-04-07 |
| D322805 | Housing for a printer system | Donald Kleinschnitz, John K. Martin, Gregory D. Volan, Andrew J. French, Jerry E. March +1 more | 1991-12-31 |