DC

David P. Christianson

CS Checkpoint Systems: 2 patents #1 of 8Top 15%
📍 Charlotte, NC: #89 of 507 inventorsTop 20%
🗺 North Carolina: #1,020 of 5,755 inventorsTop 20%
Overall (2017): #160,911 of 506,227Top 35%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9816297 Security device with multiple control states Benoit Perreau, Donald Matthew Johnson 2017-11-14
9576417 Item pusher apparatus with channel-based shuttle displacement detection and associated methods 2017-02-21