Granted Patent
Utility
US 5,418,048 · App. 08/180,757
Crosslinked acrylic sheet with enhanced vacuum molding attributes
Inventors:
Richard A. Daff, James D. Leaseburge
Patented Case
View Patent ↗
Granted: May 23, 1995
Filed: Jan 10, 1994
Inventors
Richard A. Daff
James D. Leaseburge
Assignee (at issue)
Aristech Chemical 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.