Granted Patent
Utility
US 5,756,152 · App. 08/418,714
Carpet having improved appearance and wear resistance
Inventors:
Tingdong Lin, Jing-peir Yu
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Apr 7, 1995
Inventors
Tingdong Lin
Jing-peir Yu
Assignee (at issue)
Monsanto 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.