PI

Ppg Industries

Rank (1989): #85 of 11,124Top 1%
198 inventors
112
Patents 1989

Top Inventors at Ppg Industries 1989

Showing 1–50 of 198 inventors

RankNamePatents
1 Gregory J. McCollum 6
2 Ronald L. Schwenninger 5
2 Samuel Porter, Jr. 5
2 Chia-Cheng Lin 5
#5 Marvis E. Hartman 4
#5 Suryya K. Das 4
#5 James B. O'Dwyer 4
#8 Paul H. Pettit, Jr. 3
#8 Thomas G. Rukavina 3
#8 Dennis D. Leatherman 3
#8 Frank H. Gillery 3
#8 Harlan B. Johnson 3
#8 Harry S. Koontz 3
#8 J. Douglas Mansell 3
#8 Jerry N. Kinney 3
#16 Wayne H. Tyger 2
#16 Wen-Hsuan Chang 2
#16 Won S. Kwak 2
#16 Wright M. Welton 2
#16 Laurence E. Jones 2
#16 Paritosh M. Chakrabarti 2
#16 Peter Kamarchik 2
#16 Richard A. Schwarz 2
#16 Ronald R. Ambrose 2
#16 Roger A. Crawford 2
#16 Robert G. Frank 2
#16 Robert B. Heithoff 2
#16 Robert H. Juda 2
#16 S. Thomas Greer 2
#16 Stephen J. Thomas 2
#16 Susan K. Vicha 2
#16 Thomas G. Krivak 2
#16 W. Eugene Wimer 2
#16 David R. Haskins 2
#16 Dennis W. Carson 2
#16 Denise M. Geary 2
#16 Edward J. Sare 2
#16 F. Howard Gillery 2
#16 George W. Mauer 2
#16 George A. Pecoraro 2
#16 Jason L. Chou 2
#16 James A. Claar 2
#16 James E. Poole 2
#16 James F. Wilson 2
#16 Jerome A. Seiner 2
#16 Joseph J. Hammel 2
#16 Joseph M. Makhlouf 2
#48 Walter J. Robertson 1
#48 William P. Blackburn 1
#48 William G. Boberski 1