HC

Herman Chang

🗺 California: #13,721 of 66,859 inventorsTop 25%
Overall (2021): #157,882 of 548,734Top 30%
2
Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11033906 Interchangeable cartridge-based paper shredder system 2021-06-15
11027318 Autofeeder roller cleaning 2021-06-08