Granted Patent
Utility
US 5,860,255 · App. 08/647,334
Masonry-bondable, water-resistant flexible membrane
Inventors:
David L. Fishel, Terry M. Digiglia
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: May 9, 1996
Inventors
David L. Fishel
Terry M. Digiglia
Assignee (at issue)
GenCorp, Inc.
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.