CZ

Chongchao Zhao

Overall (All Time): #801,938 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D1046654 Ruler 2024-10-15
11763104 Slide rule style flight computer 2023-09-19
D987453 Ruler 2023-05-30
D987454 Ruler 2023-05-30
D899951 Hot iron ruler 2020-10-27
D899952 Hot iron ruler 2020-10-27