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Robert Harrington — 2 Patents

QUQuestech: 2 patents #5 of 25Top 20%
Plymouth, MA: #74 of 198 inventorsTop 40%
Massachusetts: #42,563 of 88,656 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert Harrington has been granted 2 US patents while listed as an inventor at Questech. The first was granted in 2020 and the most recent in August 2023. Robert Harrington ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert Harrington in Plymouth, MA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11739234 Natural stone sealer compositions Barry Culkin, Roger Questel, Douglas Croteau, Paul Thottathil, Purushoth Kesavan +2 more 2023-08-29
10532956 Natural stone sealer compositions Barry Culkin, Roger Questel, Douglas Croteau, Paul Thottathil, Purushoth Kesavan +2 more 2020-01-14

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