Inventor · disambiguated record
David Allan Hellenga
Also filed as: HELLENGA DAVID A · HELLENGA DAVID ALLAN
3 granted patents·97 citations·filing 1987–1997
74Inventor score
Files withIBM3
Top patents by PatentIndex Score
3 records- 0163US5903757AMonitoring and handling of exception conditions in computer systemIBM·Filed 1996·Granted May 11, 1999·58 cites·4 claims
- 0258US4862349AMethod for extracting and/or replacing control system information in a computer operating systemIBM·Filed 1987·Granted Aug 29, 1989·29 cites·10 claims
- 0329US6314462B1Sub-entry point interface architecture for change management in a computer networkIBM·Filed 1997·Granted Nov 6, 2001·10 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →