Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8967949 | Sound-proofed helicocentrifugal fan | — | 2015-03-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8967949 | Sound-proofed helicocentrifugal fan | — | 2015-03-03 |