Inventor · disambiguated record
Charles F. Birchall, Jr.
Also filed as: BIRCHALL JR CHARLES F · BIRCHALL JR CHARLES FREDRICK
8 granted patents·657 citations·filing 2000–2017
90Inventor score
Top patents by PatentIndex Score
8 records- 0190US7128761B2Method and apparatus for replacing a damaged spinal discAXIOMED SPINE CORP·Filed 2003·Granted Oct 31, 2006·165 cites·28 claims
- 0289US6440136B1Apparatus for attaching to boneMEDTRONIC PS MEDICAL INC·Filed 2000·Granted Aug 27, 2002·300 cites·18 claims
- 0383US7695517B2Apparatus for replacing a damaged spinal discAXIOMED SPINE CORP·Filed 2003·Granted Apr 13, 2010·90 cites·44 claims
- 0476US7850697B2Method and apparatus for replacing a spinal discAXIOMED SPINE CORP·Filed 2005·Granted Dec 14, 2010·15 cites·7 claims
- 0576US7588600B2Method for replacing a damaged spinal discAXIOMED SPINE CORP·Filed 2003·Granted Sep 15, 2009·53 cites·39 claims
- 0660US6572623B1Method and apparatus for attaching a cranial flapMEDTRONIC PS MEDICAL INC·Filed 2000·Granted Jun 3, 2003·18 cites·17 claims
- 0757US6585739B2Apparatus for attaching a cranial flapMEDTRONIC PS MEDICAL INC·Filed 2001·Granted Jul 1, 2003·16 cites·16 claims
- 0844US10918494B2Orthopedic implant with integrated coreK2M INC·Filed 2017·Granted Feb 16, 2021·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →