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USPTO Patent Rankings Data through Dec 31, 2025
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Dawn E. Shaffer — 3 Patents in 2018

SESeescan: 2 patents #14 of 34Top 45%
San Diego, CA: #610 of 4,341 inventorsTop 15%
California: #7,478 of 60,411 inventorsTop 15%
Overall (2018): #78,484 of 503,207Top 20%
3 Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10082599 Magnetic sensing buried object locator including a camera Mark S. Olsson, Paul G. Stuart, David A. Cox, Ray Merewether, Ryan B. Levin +1 more 2018-09-25
10009582 Pipe inspection system with replaceable cable storage drum Mark S. Olsson, Eric M. Chapman, Loni M. Canepa, James F. Kleyn, Lisa E. Latimer 2018-06-26
9989662 Buried object locating device with a plurality of spherical sensor balls that include a plurality of orthogonal antennae Mark S. Olsson, Ray Merewether, Michael J. Martin, David A. Cox 2018-06-05