Lettman; John

Patent Applications and Registrations

Patent applications and USPTO patent grants for Lettman; John.The latest application filed is for "method and apparatus for robotic, in-pipe water quality testing".

Company Profile

4.4.5

Lettman; John - Pittsburgh PA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method And Apparatus For Robotic, In-pipe Water Quality Testing App 20210048423 - Starr; Justin ; et al.	2021-02-18
Method and apparatus for robotic, in-pipe water quality testing Grant 10,859,554 - Starr , et al. December 8, 2	2020-12-08
Method And Apparatus For Robotic, In-pipe Water Quality Testing App 20190285606 - Starr; Justin ; et al.	2019-09-19
Method and apparatus for robotic, in-pipe water quality testing Grant 10,309,949 - Starr , et al.	2019-06-04
Virtual reality display of pipe inspection data Grant 10,115,237 - Starr , et al. October 30, 2	2018-10-30
Method And Apparatus For Pipe Imaging With Chemical Analysis App 20180088043 - Starr; Justin ; et al.	2018-03-29
Method And Apparatus For Robotic, In-pipe Water Quality Testing App 20180088099 - Starr; Justin ; et al.	2018-03-29
Virtual Reality Display Of Pipe Inspection Data App 20180089896 - Starr; Justin ; et al.	2018-03-29
Method and apparatus for pipe imaging with chemical analysis Grant 9,927,354 - Starr , et al. March 27, 2	2018-03-27

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