Inventor · disambiguated record
Stephen J. Sayfritz
Also filed as: SAYFRITZ STEPHEN J
1 granted patent·3 citations·filing 2015–2015
20Inventor score
Technology areasE21B
Files withRESTRACK AS1
Top patents by PatentIndex Score
1 recordIdentity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →