MA

Mark Duan Ard

Ricoh Company: 3 patents #4,826 of 9,818Top 50%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,634,089 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5915106 Method and system for operating a scanner which emulates a disk drive 1999-06-22
5793319 Analog to digital linearizing apparatus, system and method 1998-08-11
5777660 Scanner assembly 1998-07-07