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Patent 4409805
Padlock Patent — Keyed
Patent 4409805
Inventor:
Tzu-Cheng Wang
View on USPTO / Google Patents ↗
Patent #
4409805
Issue Date
1982-01-28
Inventor
Tzu-Cheng Wang
Type
Keyed
Patent Drawings
Drawing 1
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Patent Details
Patent Number
4409805
Issue Date
1982-01-28
Inventor
Tzu-Cheng Wang
Patent Type
Keyed
External Link
https://patents.google.com/patent/US4409805/en ↗
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