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USPTO Patent Rankings Data through Dec 31, 2025
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Warren E. Parkhurst — 5 Patents

CRCell Robotics: 3 patents #2 of 16Top 15%
Durango, CO: #37 of 211 inventorsTop 20%
Colorado: #9,021 of 40,980 inventorsTop 25%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Warren E. Parkhurst has been granted 5 US patents while listed as an inventor at Cell Robotics. The first was granted in 1985 and the most recent in November 1999. Warren E. Parkhurst ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Warren E. Parkhurst in Durango, CO, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5993439 Lens shield for laser skin perforation David J. Costello, Michael A. Wolf, Kenneth G. Schalhoub, Ronald K. Lohrding, Aleksei Y. Dergatchev +2 more 1999-11-30
5908416 Laser dermal perforator David J. Costello, Valeri G. Polushkin, Sergey A. Kokhanovsky, Aleksei Y. Dergatchev 1999-06-01
5554153 Laser skin perforator David J. Costello, Aleksei Y. Dergatchev, Valeri G. Polushkin, Sergey A. Kokhanovsky 1996-09-10
4526667 Corrosion protection anode David Moser 1985-07-02
4525263 Method for cleaning a corrosion protection anode David Moser 1985-06-25