Inventor · disambiguated record
John Memmelaar, Sr.
Also filed as: MEMMELAAR SR JOHN · MEMMELAAR SR JOHN R
3 granted patents·12 citations·filing 2004–2008
64Inventor score
Files withROYAL MASTER GRINDERS INC3
Top patents by PatentIndex Score
3 records- 0157US7367868B2Centerless grinderROYAL MASTER GRINDERS INC·Filed 2006·Granted May 6, 2008·6 cites·5 claims
- 0250US7147542B2Centerless grinderROYAL MASTER GRINDERS INC·Filed 2004·Granted Dec 12, 2006·5 cites·113 claims
- 0336US7585206B2Spool to spool continuous through feed systemROYAL MASTER GRINDERS INC·Filed 2008·Granted Sep 8, 2009·1 cites·18 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →