Est. March 2001  ·  10,247 Listings on File

Padlock Patent — Combo

Patent 3990275

Inventor: Guillermo W. Lippisch

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Patent # 3990275
Issue Date 1975-07-14
Inventor Guillermo W. Lippisch
Assigned To JUNKUNC BROS AMERICAN LOCK Co
Type Combo

Patent Drawings

Patent 3990275 drawing 1 Drawing 1 Patent 3990275 drawing 2 Drawing 2 Patent 3990275 drawing 3 Drawing 3

Patent Details

Patent Number 3990275
Issue Date 1975-07-14
Inventor Guillermo W. Lippisch
Assigned To JUNKUNC BROS AMERICAN LOCK Co
Patent Type Combo
External Link https://patents.google.com/patent/US3990275/en ↗
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