Pin Tumbler Padlocks

• This category contains the conventional pin tumbler mechanism and the tubular pin tumbler mechanism (circle pin tumbler, radial, or the Ace), Cam operated pin tumbler mechanism (Van Lock).
• Best pin tumbler patents: US Patent #1451860 US Patent #1479214 US Patent #1541585 US Patent #1564462 US Patent #1579632 US Patent #3605458 US Patent #3882699 US Patent #4918950.

List Selection
Early Pin Tumbler Locks  Padlocks Marked "SAFE" Padlocks Marked "XLCR" 
Blank  Numbers 
A thru AM  AN thru AZ 
B thru BG  BH thru BZ 
C thru CG  CH thru CN  CO thru CZ 
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