Inventor · disambiguated record
David Klein
Also filed as: KLEIN DAVID · KLEIN DAVID I
3 granted patents·18 citations·filing 1980–2014
63Inventor score
Top patents by PatentIndex Score
3 records- 0172US9805209B2Systems and methodologies for managing document access permissionsBERKELEY INFORMATION TECH PTY LTD·Filed 2014·Granted Oct 31, 2017·7 cites·14 claims
- 0258US7996474B2Placing email substrings in a new chronological orderKLEIN DAVID·Filed 2008·Granted Aug 9, 2011·0 cites·8 claims
- 0335US4294035ADevice with visual and audio outputENG GEORGE·Filed 1980·Granted Oct 13, 1981·11 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when David Klein 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 →