Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7481234 | Bio-hazard attack family survival dome | Martin K. Gustafson, David E. Flinchbaugh, Douglas W. Dittmann, D. Michael Epley | 2009-01-27 |
| 5184897 | Gift bag | David Gozdenovich, Guy Zimmermann, Glenn Pierson | 1993-02-09 |