Inventor · disambiguated record
Charles Norman Sjogren
Also filed as: SJOGREN CHARLES NORMAN
2 granted patents·42 citations·filing 1975–1977
64Inventor score
Technology areasB63B
Files withGLOBAL MARINE INC2
Top patents by PatentIndex Score
2 recordsJoin the waitlist — get patent alerts
Get an alert when Charles Norman Sjogren 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 →