ZG

Zheng Gu

YM Yangtze Railroad Materials: 3 patents #1 of 2Top 50%
🗺 California: #8,040 of 60,394 inventorsTop 15%
Overall (2017): #52,272 of 506,227Top 15%
3
Patents 2017

Issued Patents 2017

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D804991 Hot forged tie plate for railroad Patrick Young 2017-12-12
D804352 Hot forged tie plate for railroad Patrick Young 2017-12-05
D794506 Hot forged tie plate for railroad Patrick Young 2017-08-15