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M. Jack Rollins

MAMaxon: 1 patents #19 of 30Top 65%

Muncie, IN: #124 of 234 inventorsTop 55%

Indiana: #19,404 of 33,936 inventorsTop 60%

Overall (All Time): #4,048,384 of 4,157,543Top 100%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4372531	Ceramic gate valve and components therefor	William P. Coppin	1983-02-08