Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7448169 | Method for constructing and erecting a tower with ballistic resistant enclosure | Leonard P. Maliszewski | 2008-11-11 |
| 7224345 | Pad computer | Leonard M. Kawell, Mary Ellen Heinen, Alan Ball | 2007-05-29 |