Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066803 | Locking subgrade vault | — | 2021-07-20 |
| 10947693 | Reinforced lid for subgrade enclosures | Mike Collins | 2021-03-16 |
| 10240316 | Locking subgrade vault | — | 2019-03-26 |
| D841279 | Subgrade vault | Eric Freeman | 2019-02-19 |
| 10197088 | Tamper resistant closure mechanism for a utility vault | — | 2019-02-05 |
| 10136530 | Utility vault interlocking lid seat | Eric Long, John Ronald Gogol | 2018-11-20 |
| 10132052 | Utility vault support bar snap feature | Eric Long | 2018-11-20 |
| 9919853 | Locking subgrade vault | Eric Freeman | 2018-03-20 |
| 9435099 | Locking subgrade vault | — | 2016-09-06 |
| 9346593 | Tamper resistant closure mechanism for a utility vault | — | 2016-05-24 |
| 7009513 | Inherently deployable warning to alarm of an opening into the top of a sub-grade structure | — | 2006-03-07 |
| 6899240 | Subgrade vault | Reilly James Flynn | 2005-05-31 |
| 6488651 | Multiple part manual dispensing syringe | David Morris | 2002-12-03 |
| D419776 | Liquid dispensing brush | John S. Frost | 2000-02-01 |
| D408148 | Liquid dispensing brush with cap | John S. Frost | 1999-04-20 |
| 5718357 | Industrial syringe | — | 1998-02-17 |
| 5680967 | Dispensing cartridge | David Morris | 1997-10-28 |
| 5568988 | Multi-part dispenser | Gary W. Knox, John S. Frost, Stan Shofner | 1996-10-29 |
| 5531710 | Combination closure and syringe | Lawrence B. Martin, Richard Jerrard | 1996-07-02 |
| 4515114 | Two part piston assembly | — | 1985-05-07 |