Quantum Corp, Milpitas and its Plus Development Corp unit have filed a patent infringement suit against Tandon Corp, Chatsworth, alleging that some products made or sold by Tandon violate Quantum’s and Plus’s patents wedge-servo disk architecture and the Plus patent on Hardcard plug-in 3.5 disk expansion boards.
Quantum Corp, Milpitas and its Plus Development Corp unit have filed a patent infringement suit against Tandon Corp, Chatsworth, alleging that some products made or sold by Tandon violate Quantum’s and Plus’s patents wedge-servo disk architecture and the Plus patent on Hardcard plug-in 3.5 disk expansion boards.