SJ

Steven J. Griegelis, Jr.

UN Unknown: 3 patents #7,366 of 83,584Top 9%
📍 Grand Rapids, MI: #536 of 1,824 inventorsTop 30%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,420,904 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11448351 Pipe coupling seal assembly Keith R. Bunn, Sr. 2022-09-20
11131416 Pipe coupling seal assembly Keith R. Bunn, Sr. 2021-09-28
10794524 Pipe coupling assembly Keith R. Bunn, Sr. 2020-10-06