Natrona Heights, Pennsylvania
United States
4
2006-10-19
The entities that hold a legal rights for patent applications filed by inventor Saver William E.:
William E. Saver from Natrona Heights, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Coal tar and hydrocarbon mixture pitch and the preparation and use thereof
#2 | 2006-06-27Coal tar and hydrocarbon mixture pitch and the preparation and use thereof
#3 | 2006-04-25Coal tar and hydrocarbon mixture pitch production using a high efficiency evaporative distillation process
#4 | 2005-12-01Coal tar and hydrocarbon mixture pitch production using a high efficiency evaporative distillation process
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