Inventor · disambiguated record

Donald H. Zurstadt

Also filed as: ZURSTADT DONALD H

2 granted patents·134 citations·filing 1993–1993

69Inventor score

Technology areasG06F

Files withMICROFIELD GRAPHICS INC2

Top patents by PatentIndex Score

2 records

0184US5434370AMarking system with pen-up/pen-down trackingMICROFIELD GRAPHICS INC·Filed 1993·Granted Jul 18, 1995·106 cites·13 claims
0254US5583323ACalibration of graphic data-acquisition tracking systemMICROFIELD GRAPHICS INC·Filed 1993·Granted Dec 10, 1996·28 cites·18 claims

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