DJ

Donald Matthew Johnson

CS Checkpoint Systems: 4 patents #45 of 199Top 25%
SC Sme Steel Contractors: 1 patents #2 of 4Top 50%
Overall (All Time): #925,703 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D1017835 Security gate Evan S. Maltz 2024-03-12
9982464 Security device with multiple control states Benoit Perreau, David P. Christianson 2018-05-29
9816297 Security device with multiple control states Benoit Perreau, David P. Christianson 2017-11-14
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