Inventor · disambiguated record
David J. Witchell
Also filed as: WITCHELL DAVID J
5 granted patents·107 citations·filing 2014–2019
79Inventor score
Files withCOLORCULTURE NETWORK LLC5
Top patents by PatentIndex Score
5 records- 0194US8977389B2Method, system and apparatus for dispensing products for a personal care service, instructing on providing a personal care treatment service, and selecting a personal care serviceCOLORCULTURE NETWORK LLC·Filed 2014·Granted Mar 10, 2015·83 cites·18 claims
- 0293US10231531B2System, method and device for analysis of hair and skin and providing formulated hair and skin productsCOLORCULTURE NETWORK LLC·Filed 2015·Granted Mar 19, 2019·13 cites·34 claims
- 0391US9961984B2Method, system and apparatus for dispensing products for a personal care service, instructing on providing a personal care treatment service, and selecting a personal care serviceCOLORCULTURE NETWORK LLC·Filed 2015·Granted May 8, 2018·10 cites·28 claims
- 0473US11103049B2Method, system and apparatus for dispensing products for a personal care service, instructing on providing a personal care treatment service, and selecting a personal care serviceCOLORCULTURE NETWORK LLC·Filed 2018·Granted Aug 31, 2021·1 cites·23 claims
- 0556US11006734B2System, method and device for analysis of hair and skin and providing formulated hair and skin productsCOLORCULTURE NETWORK LLC·Filed 2019·Granted May 18, 2021·0 cites·21 claims
Join the waitlist — get patent alerts
Get an alert when David J. Witchell 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 →