Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9717381 | Central vacuum system hose retractor valve with vacuum assisted hose lock and seal | — | 2017-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9717381 | Central vacuum system hose retractor valve with vacuum assisted hose lock and seal | — | 2017-08-01 |