Inventor · disambiguated record
Karl R. Lewis
Also filed as: LEWIS KARL R
10 granted patents·334 citations·filing 1998–2017
91Inventor score
Top patents by PatentIndex Score
10 records- 0193US6182389B1Bolt assembly for a firearmFiled 1998·Granted Feb 6, 2001·110 cites·35 claims
- 0292US8234808B2Monolithic rail platform and bolt assemblies for a firearmLEWIS KARL R·Filed 2003·Granted Aug 7, 2012·106 cites·54 claims
- 0390US10197353B2Receiver with an ambidextrous bolt stopKRL HOLDING COMPANY INC·Filed 2017·Granted Feb 5, 2019·24 cites·20 claims
- 0488US8561337B2Monolithic rail platform and bolt assemblies for a firearmLEWIS KARL R·Filed 2010·Granted Oct 22, 2013·26 cites·20 claims
- 0584US9885529B2Contoured cam pin for a rotating boltKRL HOLDING COMPANY INC·Filed 2016·Granted Feb 6, 2018·12 cites·20 claims
- 0678US8826576B2Firearm boltLEWIS KARL R·Filed 2012·Granted Sep 9, 2014·16 cites·24 claims
- 0778US8713833B2Bolt assemblies for a firearmLEWIS KARL R·Filed 2013·Granted May 6, 2014·12 cites·19 claims
- 0873US9217615B2Firearm assembly with upper receiver incorporating an integral upper railKRL HOLDING COMPANY INC·Filed 2014·Granted Dec 22, 2015·9 cites·19 claims
- 0971USD733247SAdjustable butt stockKRL HOLDING COMPANY INC·Filed 2014·Granted Jun 30, 2015·19 cites·1 claims
- 1044US9151556B1Firearm boltKRL HOLDING COMPANY INC·Filed 2014·Granted Oct 6, 2015·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →