Granted Patent
Utility
US 5,993,906 · App. 08/081,744
Edge seal process and product
Inventors:
Robert W. Smith, David S. Cobbledick, Charles M. Kausch, Donald F. Reichenbach, Satish C. Sharma, Richard A. Simmons
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Jun 23, 1993
Inventors
Robert W. Smith
David S. Cobbledick
Charles M. Kausch
Donald F. Reichenbach
Satish C. Sharma
Richard A. Simmons
Assignee (at issue)
Cambridge Industries, 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.