Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10175088 | Liquid level gauge with removable indicator assembly | Benjamin N. Lease, Herbert G. Ross, Jr. | 2019-01-08 |
| D833310 | Lens cover for liquid level gauge | Benjamin N. Lease, Herbert G. Ross, Jr. | 2018-11-13 |
| D832124 | Sensor module for liquid level gauge | Benjamin N. Lease, Herbert G. Ross, Jr. | 2018-10-30 |
| 10066979 | Sealed head construction for liquid level transducers | John Gordon Storace | 2018-09-04 |
| 9683874 | Universal mounting head construction for liquid level transducers and the like | Gagik Farmanyan | 2017-06-20 |
| 9366386 | Liquid level gauge for a cryogenic fluid cylinder | James M. Getter | 2016-06-14 |
| D414711 | Gauge dial | — | 1999-10-05 |
| 5072618 | Adjustable LPG gauge | Carl Taylor | 1991-12-17 |
| 4635480 | Density compensating float | Herbert G. Ross, Jr. | 1987-01-13 |
| 4483367 | Stop fill valve | Herbert G. Ross, Jr. | 1984-11-20 |