Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D750797 | Male/female sexual stimulation device | David A. Mannheim, Michael W. Mannheim, Reed C. Baumgarten | 2016-03-01 |
| 4507933 | System combining water heater and refrigeration unit | Roman Chapa | 1985-04-02 |
| 4356706 | Thermally-integrated heat exchanger and refrigerator | — | 1982-11-02 |