TL

Tracy Lammers

AG Amesbury Group: 3 patents #1 of 9Top 15%
📍 Sioux Falls, SD: #3 of 64 inventorsTop 5%
🗺 South Dakota: #5 of 251 inventorsTop 2%
Overall (2023): #37,270 of 537,848Top 7%
4
Patents 2023

Issued Patents 2023

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11834866 Flexible coupling for electronic deadbolt systems Douglas John Criddle 2023-12-05
11781355 Roller assembly with side-accessed adjustment mechanism 2023-10-10
11661771 Electronic drive for door locks Douglas John Criddle 2023-05-30
11634931 Modular electronic deadbolt systems Gary E. Tagtow, Michael Lee Anderson, Bruce Hagemeyer, Douglas John Criddle 2023-04-25