Granted Patent
Utility
US 4,983,029 · App. 07/341,119
Eyeglass frame having Ti-Ni-V alloy element with improved wear comfortability
Inventor:
Shoichi Sato
Patented Case
View Patent ↗
Granted: Jan 8, 1991
Filed: Apr 20, 1989
Inventor
Shoichi Sato
Assignees (at issue)
TOKIN CORPORATION
Nakanishi Optical Corporation
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.