Inventor
OLMSTEAD MICHAEL W
US6 patents
Patents
6 patentsUS5516590AMay 14, 1996
Fluorescent security thermal transfer printing ribbons
NCR CORP57 citations95
US5935694AAug 10, 1999
Fluorescent security thermal transfer printing ribbon
NCR CORP29 citations92
US5616402AApr 1, 1997
Printing ribbon for printing red scannable bar codes
NCR CORP9 citations73
US5654105AAug 5, 1997
Multi-layer thermally transferable printing ribbons
NCR CORP14 citations72
US5824399AOct 20, 1998
Multilayered thermal transfer medium with opaque sub-coat
NCR CORP6 citations60
US5744226AApr 28, 1998
Multilayerd thermal transfer medium for matte finish printing
NCR CORP5 citations60