Inventor · disambiguated record
Roger J. Lofstrom
Also filed as: LOFSTROM ROGER J
4 granted patents·32 citations·filing 1979–1998
74Inventor score
Top patents by PatentIndex Score
4 records- 0150US5895198ACoil unloading rigFiled 1998·Granted Apr 20, 1999·9 cites·9 claims
- 0242US5170684ACore cutter deviceLOFSTROM ROGER J·Filed 1992·Granted Dec 15, 1992·13 cites·11 claims
- 0339US4219168ASlitting and rewinding assemblyH J RUESCH MACHINE·Filed 1979·Granted Aug 26, 1980·5 cites·24 claims
- 0434US5292084ACore slip apparatus for winding strips into coilsLOFSTROM ROGER J·Filed 1992·Granted Mar 8, 1994·5 cites·15 claims
Join the waitlist — get patent alerts
Get an alert when Roger J. Lofstrom files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →