Est. March 2001  ·  10,244 Listings on File

Padlock Patent — Combo+Keyed

Patent 3750431

Inventor: W Atkinson

View on USPTO / Google Patents ↗
Patent # 3750431
Issue Date 1972-08-29
Inventor W Atkinson
Assigned To Long Manufacturing Co Inc
Type Combo+Keyed

Patent Drawings

Patent 3750431 drawing 1 Drawing 1 Patent 3750431 drawing 2 Drawing 2

Patent Details

Patent Number 3750431
Issue Date 1972-08-29
Inventor W Atkinson
Assigned To Long Manufacturing Co Inc
Patent Type Combo+Keyed
External Link https://patents.google.com/patent/US3750431/en ↗
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