Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834476 | Concrete composition and process | Sean Peishen Feng | 2017-12-05 |
| 9428420 | Concrete composition and process | Sean Peishen Feng | 2016-08-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9834476 | Concrete composition and process | Sean Peishen Feng | 2017-12-05 |
| 9428420 | Concrete composition and process | Sean Peishen Feng | 2016-08-30 |