Est. March 2001  ·  10,244 Listings on File

Padlock Patent

Patent RE20879

Inventor: Robert K. Winning

View on USPTO / Google Patents ↗
Patent # RE20879
Issue Date 1930-09-22
Inventor Robert K. Winning
Assigned To by mesne assignments

Patent Drawings

Patent RE20879 drawing 1 Drawing 1 Patent RE20879 drawing 2 Drawing 2

Patent Details

Patent Number RE20879
Issue Date 1930-09-22
Inventor Robert K. Winning
Assigned To by mesne assignments
External Link https://patents.google.com/patent/USRE20879/en ↗

Padlocks Using This Patent

5 listings
"DUDLEY"
#2679
"DUDLEY"
Dudley Triple Metals Corp.
→
"DUDLEY"
#5694
"DUDLEY"
Dudley Lock Corp.
→
"DUDLEY"
#5695
"DUDLEY"
Dudley Lock Corp.
→
"DUDLEY"
#5693
"DUDLEY"
Dudley Triple Metals Corp.
→
"DUDLEY"
#922
"DUDLEY"
Dudley Lock Corp. Patent #'s 1291228 1369850 1508139 1655002 1736183
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