HE

Herbert W. Eilenfeld

PI Ppg Industries: 1 patents #662 of 1,216Top 55%
Overall (All Time): #4,033,643 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4445921 Tempering glass sheets by cooling comprising sublimation quenching Terry A. Bennett, DeWitt W. Lampman 1984-05-01