Inventor
KNOX DAVID
US9 patents
⚠️ This page may combine multiple inventors who share the name “KNOX DAVID”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DATAWAVE SYSTEMS INC
3 patentsUS6745022B2Jun 1, 2004
Multiple service provider prepaid wireless service card
DATAWAVE SYSTEMS INC113 citations95
US6659259B2Dec 9, 2003
Multiple denomination currency receiving and prepaid card dispensing method and apparatus
DATAWAVE SYSTEMS INC171 citations93
US7424973B2Sep 16, 2008
Prepaid broadband internet and software service method and apparatus
DATAWAVE SYSTEMS INC5 citations60