Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D841279 | Subgrade vault | Nguyen Thai Dang | 2019-02-19 |
| 9932157 | Locking subgrade vault | — | 2018-04-03 |
| 9919853 | Locking subgrade vault | Nguyen Thai Dang | 2018-03-20 |
| 9174798 | Locking subgrade vault | — | 2015-11-03 |
| 8835757 | Locking subgrade vault | — | 2014-09-16 |
| D654693 | Cap for a utility box | — | 2012-02-28 |
| 5902304 | Telescopic bone plate for use in bone lengthening by distraction osteogenesis | David A. Walker, Gurkan Altuna | 1999-05-11 |