DO

Douglas B. Owen

DM D. W. Zimmerman Mfg.: 1 patents #1 of 1Top 100%
📍 Rochester, MI: #1 of 38 inventorsTop 3%
🗺 Michigan: #148 of 1,972 inventorsTop 8%
Overall (1982): #14,890 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4360320 Fluid driven successive stage bladder pump — 1982-11-23
4328786 Coal burning grate — 1982-05-11