Inventor · disambiguated record
David Callahan
Also filed as: CALLAHAN DAVID · CALLAHAN DAVID E · CALLAHAN DAVID K
1 granted patent·2 pending applications·6 citations·filing 1979–2006
27Inventor score
Top patents by PatentIndex Score
3 records- 0142US2009117146A1System and method for promoting hair growth and improving hair and scalp healthISLAND LAB INC·Filed 2006·Application pending·0 cites
- 0223US4276685APortable in-line pressCALLAHAN DAVID K·Filed 1979·Granted Jul 7, 1981·6 cites·24 claims
- 0317US2001032868A1CB microphone leashFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →