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Douglas F. Ballard

IH Io-Mega Holding: 1 patents #177 of 308Top 60%
📍 South Ogden, UT: #18 of 26 inventorsTop 70%
🗺 Utah: #11,293 of 19,430 inventorsTop 60%
Overall (All Time): #4,060,958 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4415939 Head positioning servo for disk drive — 1983-11-15