DS

Daniel S. Simpkins

HL Hillcrest Laboratories: 2 patents #1 of 7Top 15%
📍 Bethesda, MD: #24 of 228 inventorsTop 15%
🗺 Maryland: #410 of 3,610 inventorsTop 15%
Overall (2017): #158,964 of 506,227Top 35%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9575570 3D pointing devices and methods Matthew G. Liberty, Charles W. K. Gritton, Mark Turner, Frank A. Hunleth 2017-02-21
9571878 3D pointing device with up-down-left-right mode switching and integrated swipe detector Joseph Tanen 2017-02-14