DP

Douglas Webster Prince

Overall (All Time): #2,106,366 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7936266 Shipping container seal monitoring device, system and method Richard Hugh Francis, James E. Mandry, David J. Holigan, Ed Allen Vrablik 2011-05-03
6657535 System for signaling a device at a remote location L. Hugh Magbie, James E. Mandry 2003-12-02