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Patents
Patents Assigned to Tong Nan Optical Enterprise Co., Ltd.
Patents Assigned to Tong Nan Optical Enterprise Co., Ltd.
Eyeglasses
Patent number:
D302168
Type:
Grant
Filed:
June 18, 1987
Date of Patent:
July 11, 1989
Assignee:
Tong Nan Optical Enterprise Co., Ltd.
Inventor:
Yen-Chin Huang