Inventor · disambiguated record
Robert K. Hughes, Sr.
Also filed as: HUGHES ROBERT K · HUGHES SR ROBERT K
7 granted patents·2 pending applications·224 citations·filing 1989–2011
87Inventor score
Top patents by PatentIndex Score
9 records- 0196US5197819AMounting base for highway markersFLEXSTAKE INC·Filed 1991·Granted Mar 30, 1993·112 cites·19 claims
- 0267US6109820AAnchor base for flexible markerFLEXSTAKE INC·Filed 1998·Granted Aug 29, 2000·36 cites·3 claims
- 0361US5454665AArtificial reefFLEXSTAKE INC·Filed 1994·Granted Oct 3, 1995·25 cites·20 claims
- 0457US5452965AReplaceable flexible markerFLEXSTAKE INC·Filed 1994·Granted Sep 26, 1995·28 cites·21 claims
- 0553US2010189497A1Flexible hinge in traffic control markerHUGHES SR ROBERT K·Filed 2009·Application pending·0 cites
- 0651US6732673B2Drivable post and markerFLEXSTAKE INC·Filed 2003·Granted May 11, 2004·7 cites·18 claims
- 0750US4903465AMower guard for flexible markersFLEXSTAKE INC·Filed 1989·Granted Feb 27, 1990·13 cites·15 claims
- 0844US6604485B1Drivable post and markerFLEXSTAKE INC·Filed 2002·Granted Aug 12, 2003·3 cites·19 claims
- 0943US2012115630A1Divot repair toolHUGHES SR ROBERT K·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →