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Patent 4938039
Padlock Patent — Keyed
Patent 4938039
Inventor:
Lo Tzung-I
View on USPTO / Google Patents ↗
Patent #
4938039
Issue Date
1989-05-09
Inventor
Lo Tzung-I
Type
Keyed
Patent Drawings
Drawing 1
Drawing 2
Drawing 3
Patent Details
Patent Number
4938039
Issue Date
1989-05-09
Inventor
Lo Tzung-I
Patent Type
Keyed
External Link
https://patents.google.com/patent/US4938039/en ↗
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