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John W. Mackay

3M: 1 patents #7,233 of 11,543Top 65%

Afton, MN: #70 of 97 inventorsTop 75%

Minnesota: #32,449 of 52,454 inventorsTop 65%

Overall (All Time): #3,982,073 of 4,157,543Top 100%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4693930	Smooth, low-friction magnetic recording medium	Richard J. Kuo, Rick L. Van Buren	1987-09-15