CH

Charles H. Houck

3M: 4 patents #3,441 of 11,543Top 30%
Overall (All Time): #1,277,192 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6270543 Abrasive article containing an inorganic metal orthophosphate John J. Gagliardi 2001-08-07
5961674 Abrasive article containing an inorganic metal orthophosphate John J. Gagliardi 1999-10-05
5578098 Coated abrasive containing erodible agglomerates John J. Gagliardi, Jason A. Chesley, Richard J. Cosmano, Ernest J. Duwell 1996-11-26
5562745 Abrasive articles, methods of making abrasive articles, and methods of using abrasive articles John J. Gagliardi, Jason A. Chesley, Walter L. Harmer, Gary L. Olson 1996-10-08