TC

Thomas E. Cottringer

NO Norton: 8 patents #10 of 343Top 3%
Overall (All Time): #666,729 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6136288 Firing fines Ralph Bauer, Martin Barnes 2000-10-24
5514631 Alumina sol-gel fiber Ronald H. van de Merwe, Ralph Bauer, Walter A. Yarbrough 1996-05-07
5395407 Abrasive material and method Ronald H. van de Merwe, Ralph Bauer, Walter A. Yarbrough 1995-03-07
5383945 Abrasive material and method Ronald H. van de Merwe, Ralph Bauer, Walter A. Yarbrough 1995-01-24
5244477 Sintered sol gel alumina abrasive filaments Charles V. Rue, Ronald H. van de Merwe, Ralph Bauer, Scott W. Pellow, Richard J. Klok 1993-09-14
5194072 Sintered sol gel alumina abrasive filaments Charles V. Rue, Ronald H. van de Merwe, Ralph Bauer, Scott W. Pellow, Richard J. Klok 1993-03-16
5009676 Sintered sol gel alumina abrasive filaments Charles V. Rue, Ronald H. van de Merwe, Ralph Bauer, Scott W. Pellow, Richard J. Klok 1991-04-23
4623364 Abrasive material and method for preparing the same Ronald H. van de Merwe, Ralph Bauer 1986-11-18