DH

Donald E. Hock

PC Pittsburgh Corning: 4 patents #2 of 31Top 7%
Overall (All Time): #1,268,860 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6553733 Glass block with internal capsule John T. Verch 2003-04-29
D362310 Glass block Harry A. Fleming, Jr., Ralph J. Harrison 1995-09-12
D329913 Translucent block Harry A. Fleming, Jr. 1992-09-29
5067295 45 degree block Charles A. Francik, Harry A. Fleming, Jr. 1991-11-26