Inventor · disambiguated record
Graham Alfred Hornabrook
Also filed as: HORNABROOK GRAHAM A · HORNABROOK GRAHAM ALFRED
3 granted patents·57 citations·filing 1981–2009
72Inventor score
Top patents by PatentIndex Score
3 records- 0177US4431338AIrrigation monitoring systemHORNABROOK GRAHAM A·Filed 1981·Granted Feb 14, 1984·34 cites·2 claims
- 0276US9222893B2Modified apparatus and method for assessment, evaluation and grading of gemstonesHORNABROOK GRAHAM ALFRED·Filed 2009·Granted Dec 29, 2015·16 cites·7 claims
- 0372US8436986B2Apparatus and methods for assessment, evaluation and grading of gemstonesHORNABROOK GRAHAM ALFRED·Filed 2008·Granted May 7, 2013·7 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →