John R. Van Roekel

DG Data General: 1 patents #167 of 327Top 55%

📍 Ann Arbor, MI: #3,831 of 6,071 inventorsTop 65%

🗺 Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #4,050,883 of 4,157,543Top 100%

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Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4380812	Refresh and error detection and correction technique for a data processing system	Michael L. Ziegler, Michael B. Druke, Ward Baxter, II	1983-04-19