WM

William J. Matlach

PE Petrolite: 3 patents #36 of 143Top 30%
Overall (All Time): #1,675,527 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4659334 Particulate compositions used in petroleum systems comprising encapsulated materials 1987-04-21
4588640 Particulate compositions 1986-05-13
4570656 Method of transporting viscous hydrocarbons Michael Newberry, Charles L. Thierheimer, Jr. 1986-02-18