DC

David S. Cummings

LO Lowell: 6 patents #1 of 4Top 25%
📍 Princeton, MA: #15 of 92 inventorsTop 20%
🗺 Massachusetts: #12,758 of 88,656 inventorsTop 15%
Overall (All Time): #502,608 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11059151 Impact socket Derek Silsby, Paul Carnes 2021-07-13
10166657 Impact socket Derek Silsby, Paul Carnes 2019-01-01
9283661 Impact socket Derek Silsby, Paul Carnes 2016-03-15
D712222 Ratchet wrench Derek Silsby, Paul Carnes 2014-09-02
8505356 Apparatus and calibration method for cup anemometers having non-removable cupsets 2013-08-13
D430783 Clamp 2000-09-12
D430472 Clamp 2000-09-05
D429984 Clamp 2000-08-29
5101537 Ratchet tie-down 1992-04-07
D322557 Tie down ratchet 1991-12-24