Est. March 2001  ·  10,244 Listings on File

Padlock Patent — Misc

Patent 3309904

Inventor: Niilola, Armas Kalervo

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Patent # 3309904
Issue Date March 21, 1967
Inventor Niilola, Armas Kalervo
Assigned To O-Y Wartsila A-B
Type Misc

Patent Drawings

Patent 3309904 drawing 1 Drawing 1 Patent 3309904 drawing 2 Drawing 2 Patent 3309904 drawing 3 Drawing 3 Patent 3309904 drawing 4 Drawing 4 Patent 3309904 drawing 5 Drawing 5 Patent 3309904 drawing 6 Drawing 6 Patent 3309904 drawing 7 Drawing 7 Patent 3309904 drawing 8 Drawing 8

Patent Notes

Classification: 70/51

Patent Details

Patent Number 3309904
Issue Date March 21, 1967
Inventor Niilola, Armas Kalervo
Assigned To O-Y Wartsila A-B
Patent Type Misc
External Link https://patents.google.com/patent/US3309904 ↗
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