Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11047165 | Durable entryway threshold | — | 2021-06-29 |
| 9976334 | Middle strip of a door frame | Gang Zhou | 2018-05-22 |
| 7494163 | Flush bolt with fliplock | — | 2009-02-24 |
| 7207608 | System, method and apparatus for an adjustable door striker | — | 2007-04-24 |
| D438445 | T-Astragal with fliplock flushbolt | — | 2001-03-06 |
| D429619 | T-astragal with slidelock flushbolt | — | 2000-08-22 |