RW

Rolf E. Weingardt

GC Graham Engineering Company: 5 patents #9 of 26Top 35%
Overall (All Time): #749,959 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7752947 Bottle trimmer and method David N. Fiorani, John M. Mathy, Jr. 2010-07-13
7739933 Bottle trimmer and method David N. Fiorani, John M. Mathy, Jr. 2010-06-22
7717020 Bottle trimmer and method David N. Fiorani, John M. Mathy, Jr. 2010-05-18
7441486 Bottle trimmer and method David N. Fiorani, John M. Mathy, Jr. 2008-10-28
5840349 Rotary blow molding machine John M. Brown, David N. Fiorani, John M. Mathy, Jr. 1998-11-24
4530442 Plastic container and sealing ring assembly therefor William M. Vogel, Jr., Waco J. O'Guin, Joseph S. Littenberg 1985-07-23
4228916 Plastic paint bucket with metal sealing ring 1980-10-21