Index of /sites/www.bitsavers.org/pdf/stc/STC_patents/

Icon  Name                              Last modified      Size  
[PARENTDIR] Parent Directory                                       -   
[   ] US4398227.pdf                     2026-01-01 19:16  1.5M  
[   ] US4507592.pdf                     2026-01-01 19:16  1.8M  
[   ] US4531166.pdf                     2026-01-01 19:16  1.6M