AC

An-Chao Chang

Overall (All Time): #2,069,926 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8616083 Cam wheel assembly for refrigerant recovery machine — 2013-12-31
8418493 Refrigerant recovery machine with improved cam wheel assembly — 2013-04-16