Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7917943 | E-mail Stamping with accredited entity name | Daniel T. Dreymann, Gail Claspell, Justin Rietz | 2011-03-29 |
| RE31502 | In-line energization and de-energization of an external load in series with an external source of electricity in response to externally sensed parameters | — | 1984-01-17 |
| 4236084 | Apparatus and method for in-line energization and de-energization of external loads in series with an external source of electricity in response to externally sensed parameters | — | 1980-11-25 |