Inventor · disambiguated record
David J. Langrick
Also filed as: LANGRICK DAVID J
3 granted patents·122 citations·filing 1985–1989
76Inventor score
Top patents by PatentIndex Score
3 records- 0186US4621268AFluid application method and apparatusKEELING MICHAEL R·Filed 1985·Granted Nov 4, 1986·70 cites·17 claims
- 0271US4856322AMethod and device for measuring the viscosity of an inkWILLETT INT LTD·Filed 1988·Granted Aug 15, 1989·32 cites·9 claims
- 0357US4905503AMethod and device for measuring the viscosity of a fluidWILLETT INT LTD·Filed 1989·Granted Mar 6, 1990·20 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when David J. Langrick 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 →