Est. March 2001  ·  10,244 Listings on File

Padlock Patent — Keyed

Patent 4195503

Inventor: Marvin E. Roberts

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Patent # 4195503
Issue Date 1978-01-23
Inventor Marvin E. Roberts
Type Keyed

Patent Drawings

Patent 4195503 drawing 1 Drawing 1 Patent 4195503 drawing 2 Drawing 2 Patent 4195503 drawing 3 Drawing 3

Patent Details

Patent Number 4195503
Issue Date 1978-01-23
Inventor Marvin E. Roberts
Patent Type Keyed
External Link https://patents.google.com/patent/US4195503/en ↗
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