Inventor · disambiguated record
David Free
Also filed as: FREE DAVID · FREE DAVID F
4 granted patents·1 pending application·152 citations·filing 1974–2014
79Inventor score
Top patents by PatentIndex Score
5 records- 0185US5503800AUltra-violet sterilizing system for waste waterUV SYSTEMS TECHNOLOGY INC·Filed 1994·Granted Apr 2, 1996·78 cites·13 claims
- 0280US4008045AUltra-violet sterilizer having a fluid flow diffuser plateNATURVARD RES CA LTD·Filed 1974·Granted Feb 15, 1977·57 cites·1 claims
- 0355US4528233APhotographic mounting process and compositionFREE DAVID F·Filed 1983·Granted Jul 9, 1985·15 cites·33 claims
- 0444US2016022386A1A dental implantAZENIUM IP LTD·Filed 2014·Application pending·0 cites
- 0526US4410386APhotographic mounting process and compositionFREE DAVID F·Filed 1981·Granted Oct 18, 1983·2 cites·32 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →