Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5568130 | Fire detector | — | 1996-10-22 |
| 5550474 | Battery electrolyte-level and electrolyte-stratification sensing system | — | 1996-08-27 |
| 5486811 | Fire detection and extinguishment system | John P. Wehrle, James R. Lugar | 1996-01-23 |
| 4857894 | Liquid level measurement system for analog and digital readout | — | 1989-08-15 |
| 4832195 | Compact storage files | — | 1989-05-23 |
| 4643496 | Storage and security system for cassette-like objects | — | 1987-02-17 |
| 4565748 | Magnetically operated electrolyte circulation system | — | 1986-01-21 |
| 4389608 | Transformerless battery controlled battery charger | George H. Barry | 1983-06-21 |
| 4388584 | Battery monitoring and charger control system | George H. Barry | 1983-06-14 |
| 4329406 | Specific gravity transducer and battery performance indicator | George H. Barry | 1982-05-11 |
| 4284951 | Battery electrolyte level sensor | George H. Barry | 1981-08-18 |
| 4217645 | Battery monitoring system | George H. Barry | 1980-08-12 |