JD

John Danneffel

CO Comcast: 1 patents #332 of 921Top 40%
📍 Port Coquitlam, CA: #4 of 19 inventorsTop 25%
Overall (2023): #391,409 of 537,848Top 75%
1
Patents 2023

Issued Patents 2023

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11774029 Open-ended pipe thread protector with seal thereon and seal therefor Max Danneffel 2023-10-03