DR

David J. Rider

WA Welch Allyn: 3 patents #12 of 91Top 15%
📍 Plain City, OH: #1 of 17 inventorsTop 6%
🗺 Ohio: #175 of 7,013 inventorsTop 3%
Overall (2017): #22,427 of 506,227Top 5%
6
Patents 2017

Issued Patents 2017

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9814285 Jewelry clasp 2017-11-14
D802768 Medical device John A. Lane, Hon Kuen Leong, John Raymond Vann, Wilson Hing Wah Ma 2017-11-14
9717225 Hook clasps for fishing lures and jig heads 2017-08-01
D788619 Weight measurement device John A. Lane, Hon Kuen Leong, Wilson Hing Wah Ma 2017-06-06
D788620 Weight measurement device John Raymond Vann 2017-06-06
9538735 Hook clasps for fishing lures and jig heads 2017-01-10