Patent Interrogation: Shockwatch & Impact Label
Preface Customers and distributors usually asked. “Are there any patent problems with Impact Label produced by WAN-YO and ShockWatch produced by SpotSee?” To answer customers’ question, we wrote an article to explain this issue. Is Shockwatch Patent still valid? The patent of Shockwatch is origin from the U.S. in 1976. After 20 …
