Est. March 2001  ·  10,244 Listings on File

Padlock Patent — Keyed

Patent 4290280

Inventor: Sun Y. Yun

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Patent # 4290280
Issue Date 1979-03-23
Inventor Sun Y. Yun
Type Keyed

Patent Drawings

Patent 4290280 drawing 1 Drawing 1 Patent 4290280 drawing 2 Drawing 2 Patent 4290280 drawing 3 Drawing 3

Patent Details

Patent Number 4290280
Issue Date 1979-03-23
Inventor Sun Y. Yun
Patent Type Keyed
External Link https://patents.google.com/patent/US4290280/en ↗
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