Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8107803 | Non-scaling flow through water heater | Gary R. Hannah | 2012-01-31 |
| 8074514 | Liquid level sensor with conductive torsion springs | — | 2011-12-13 |
| 8061263 | Sensor head and brew cup for a beverage brewing device | Gary R. Hannah | 2011-11-22 |
| 7946051 | Hands free wall marking device | Gary R. Hannah | 2011-05-24 |
| 5865670 | Wafer demount apparatus | Kenneth A. Frank, Roger Paul Durkee, Francis Richard Bronson | 1999-02-02 |