Granted Patent
Utility
US 5,512,093 · App. 08/329,436
Hot mix asphalt and method of preparation thereof
Inventors:
Fred R. Huege, Robin E. Graves, Timothy L. Salter, Patrick J. Shields, Norman L. Hains
Patented Case
View Patent ↗
Granted: Apr 30, 1996
Filed: Oct 26, 1994
Inventors
Fred R. Huege
Robin E. Graves
Timothy L. Salter
Patrick J. Shields
Norman L. Hains
Assignee (at issue)
Chemical Lime Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.