Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MG

Marshall Grinstead — 3 Patents

IRIrobot: 1 patents #348 of 480Top 75%
Intel: 1 patents #18,326 of 30,777Top 60%
Sunnyvale, CA: #6,613 of 14,302 inventorsTop 50%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Marshall Grinstead has been granted 3 US patents while listed as an inventor at Irobot. The first was granted in 2015 and the most recent in October 2017. Marshall Grinstead ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Marshall Grinstead in Sunnyvale, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9785198 Hinge configuration for an electronic device Stephen D. Berry, Gabriel G. Khouri, Tommy S. Montoya, Russell S. Aoki 2017-10-10 $9,084,000
9220994 Construction toy Evan Murphy, Michael Woods, Forrest Grinstead 2015-12-29
9211648 Operating a mobile robot Orin P.F. Hoffman 2015-12-15 $6,863,000