Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D510295 | Reservoir plant stand | Hope P. Lehman | 2005-10-04 |
| D507761 | Terrace plant stand | Hope P. Lehman | 2005-07-26 |
| D507762 | Dome plant stand | Hope P. Lehman | 2005-07-26 |
| 4683968 | System for preventing software piracy employing multi-encrypted keys and single decryption circuit modules | Matthew A. Appelbaum, Donald J. Nieglos, Stanley C. Nolte, Michael Oehler | 1987-08-04 |