Est. March 2001  ·  10,244 Listings on File

Padlock Patent — Combination

Patent 20791

Inventor: Buettner, Raymon J. and Found, Robert A. and Muntner, Joseph M. and Neitz, John J. and Zanzig, Frank C.

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Patent # 20791
Issue Date July 12, 1938
Inventor Buettner, Raymon J. and Found, Robert A. and Muntner, Joseph M. and Neitz, John J. and Zanzig, Frank C.
Assigned To Dudley Lock Corp.
Type Combination

Patent Drawings

Patent Notes

Classification: 70/25

Patent Details

Patent Number 20791
Issue Date July 12, 1938
Inventor Buettner, Raymon J. and Found, Robert A. and Muntner, Joseph M. and Neitz, John J. and Zanzig, Frank C.
Assigned To Dudley Lock Corp.
Patent Type Combination
External Link https://patents.google.com/patent/US20791 ↗

Padlocks Using This Patent

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