Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9546493 | Portable pool cleaner | Liang Chen | 2017-01-17 |
| 5888334 | Method of indicating the location and depth of an anchor in a hole in a substrate, and drilling through fill material to the anchor | — | 1999-03-30 |
| 5569007 | Anchoring system | — | 1996-10-29 |
| 4946325 | Expansion anchor stud | — | 1990-08-07 |
| 4789282 | Expansion anchor stud | — | 1988-12-06 |
| 4756491 | Dipstick retainer | — | 1988-07-12 |