ZC

Zefu Chen

Ricoh Company: 1 patents #6,936 of 9,818Top 75%
📍 West Palm Beach, FL: #235 of 777 inventorsTop 35%
🗺 Florida: #22,299 of 67,251 inventorsTop 35%
Overall (All Time): #2,030,097 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9046902 Power supply circuit — 2015-06-02
6347724 Automatic dispenser apparatus James B. O'Maley, Francis J. Parker 2002-02-19