Inventor · disambiguated record
Dana Doubrava
Also filed as: DOUBRAVA DANA · DOUBRAVA DANA GENE
6 granted patents·140 citations·filing 1989–2009
85Inventor score
Technology areasG06F
Top patents by PatentIndex Score
6 records- 0180US6930673B2Collaborative input systemGTCO CALCOMP·Filed 2001·Granted Aug 16, 2005·62 cites·24 claims
- 0262US8411053B2Dual pen interactive whiteboard systemDOUBRAVA DANA GENE·Filed 2009·Granted Apr 2, 2013·6 cites·19 claims
- 0361US4939318ADigitizer pen tilt correction employing wires near the data pointCALCOMP INC·Filed 1989·Granted Jul 3, 1990·30 cites·2 claims
- 0445US5134253ADigitizer employing loopback conductor pattern using rotation sequencingCALCOMP INC·Filed 1991·Granted Jul 28, 1992·18 cites·16 claims
- 0541US5821916ADigitizer cursor velocity offset error correction systemCALCOMP INC·Filed 1992·Granted Oct 13, 1998·13 cites·17 claims
- 0638US5326940ADynamically-adjustable scanning rate in digitizersCALCOMP INC·Filed 1992·Granted Jul 5, 1994·11 cites·12 claims
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