RH

Robert W. Heber

PI Ppg Industries: 2 patents #457 of 1,216Top 40%
Overall (All Time): #2,328,852 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4808476 Method for protecting heat sensitive substrates from fire and excessive heat and resulting article John P. Mikus, Thomas A. Ward, Jerome A. Seiner 1989-02-28
4725457 Resinous compositions and their formulation into intumescent fire protective compositions Thomas A. Ward, Karl F. Schimmel, Lois C. Trautvetter, John P. Mikus, Jerome A. Seiner 1988-02-16