DJ

David Bruno Parzynski, Jr.

Caterpillar: 4 patents #25 of 787Top 4%
📍 Peoria, IL: #7 of 181 inventorsTop 4%
🗺 Illinois: #613 of 9,161 inventorsTop 7%
Overall (2020): #56,809 of 565,922Top 15%
4
Patents 2020

Issued Patents 2020

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10851523 Retention system for motor grader bits Thomas Marshall Congdon 2020-12-01
10822770 Adapter board with pry points Thomas Marshall Congdon 2020-11-03
D890816 Bit for a ground engaging machine implement Thomas Marshall Congdon 2020-07-21
10590632 System for securing bits against rotation Thomas Marshall Congdon 2020-03-17