DP

Dennis S. Postupack

PI Ppg Industries: 12 patents #70 of 1,216Top 6%
PO Ppg Industries Ohio: 1 patents #741 of 1,316Top 60%
Overall (All Time): #390,055 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6044666 Insulating flow and bushing blocks, bushing assemblies, fiber forming apparatus and method for forming fibers Gerard J. Burger, Robert A. Roach, James W. Koewing 2000-04-04
5352258 Production of glass fibers from scrap glass fibers Stanley C. DeGreve, Joe B. Lovelace, E. Charles Watkins, Timothy G. Mathis, Harry Makitka +5 more 1994-10-04
4845310 Electroformed patterns for curved shapes 1989-07-04
4762595 Electroforming elements Jean P. Pressau 1988-08-09
4421836 Method for repairing silver image glass photomasks with Ni 1983-12-20
4383016 Method for repairing glass photomasks 1983-05-10
4302263 Method of treating interlayer material 1981-11-24
4276325 Method for supporting flexible sheet while applying graded shade band thereon David A. Allerton 1981-06-30
4259371 Method for improving the alkali durability of metal oxide films formed by pyrolysis John F. Sopko 1981-03-31
4254734 Apparatus for forming graded shade band on substrate David A. Allerton, Richard L. Emmert 1981-03-10
4254735 Apparatus for supporting flexible sheet while applying graded shade band thereon David A. Allerton 1981-03-10
4244997 Method of treating interlayer material and laminated windows comprising interlayer material so treated 1981-01-13
4208446 Method for forming graded shade band on substrate David A. Allerton, Richard L. Emmert 1980-06-17