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Clive J. Roberts — 1 Patent

IDIrwin Research And Development: 1 patents #4 of 6Top 70%
Wincham, GB: #4 of 4 inventorsTop 100%
Overall (All Time): #3,980,285 of 4,157,543Top 100%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4687144 Apparatus for comminuting waste materials Jere F. Irwin, John R. Doornink 1987-08-18

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Richard A. Deweese1
Charles W. Kettering1
Horst Logemann1