DJ

Donald Matthew Johnson

CS Checkpoint Systems: 2 patents #7 of 45Top 20%
Overall (2016): #146,778 of 481,213Top 35%
2
Patents 2016

Issued Patents 2016

Patent #TitleCo-InventorsDate
9443406 Dual mode security tags Merril F. Bradshaw, Zachary Cody Hazelwood, Brian Roman Dobeck 2016-09-13
9299232 Security device with dual use transformer David P. Christianson 2016-03-29