Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790980 | Fastener nut for channel framing | James A. Knutson, Zhihui Zhang, Joseph M. Kline | 2017-10-17 |
| 9746105 | Conduit clamp for channel framing | Zhihui Zhang, James A. Knutson | 2017-08-29 |
| 9683590 | Strut system and strut fitting therefor | Zhihui Zhang | 2017-06-20 |
| 9651171 | Nut-washer assembly for channel framing | Zhihui Zhang, James A. Knutson | 2017-05-16 |
| 9587767 | Fitting for trapeze hanger | Zhihui Zhang, James A. Knutson | 2017-03-07 |