JD

John C. Diedrich

📍 LaPorte, IN: #71 of 129 inventorsTop 60%
🗺 Indiana: #19,404 of 33,936 inventorsTop 60%
Overall (All Time): #3,974,969 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4667754 Flexible plug for obtaining soil samples during drilling operations — 1987-05-26