Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11268891 | Fire extinguishing agent concentration measuring system and method | Mark P. Fazzio, Harlan Hagge, Qing Edda Liu, Eli Baldwin, David Frasure +1 more | 2022-03-08 |
| 10451227 | String light | Ronald W. Hughes, John Ericson, III | 2019-10-22 |
| D836238 | Light tube | John E. Ericson, Jr., Ronald W. Hughes | 2018-12-18 |
| D786493 | String light | Ronald W. Hughes, John Ericson, III | 2017-05-09 |
| 7557723 | System and method for evaluating ground-fault circuit interrupters | Ronald W. Hughes | 2009-07-07 |
| 7190246 | Ground fault circuit interrupter | Ronald W. Hughes | 2007-03-13 |
| 7099130 | Voltage monitor for ground fault circuit interrupter | Philip E. Bearden | 2006-08-29 |