Granted Patent
Utility
US 6,068,935 · App. 09/401,290
Thermoplastic polyester resin, and insulated wire, electrically insulated cable and heat-shrinkable tube each made with the resin
Inventors:
Hiroshi Hayami, Harumi Kanke, Akira Yamabayashi
Patented Case
View Patent ↗
Granted: May 30, 2000
Filed: Sep 23, 1999
Inventors
Hiroshi Hayami
Harumi Kanke
Akira Yamabayashi
Assignees (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
THE NIPPON SYNTHETIC CHEMICAL INDUSTRY CO., LTD.
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.