Signet International Holdings

Introducing the Incharge™, a patented, compact magnetic-based energy source that not only produces energy but charges itself.

Tom Donaldson, President of Signet International Holdings, Inc. (OTC:SIGN) announced today the appointment of M. Thomas Boyer, V/P, to Signet subsidiary, Signet Medical Solutions, Inc. Mr.

Nelson, V/P of subsidiary Signet Graphene Technologies, Inc., will assume liaison role in the development of the new graphene-based deicing project in connection with Florida International University (FIU)

New medical device, named the ConnREAP™, will enable physicians—for the first time—to gain optimal access to leg arteries to restore blood flow and prevent amputations.

Signet International Holdings, Inc.'s (OTC:SIGN) subsidiary, SGT, has executed a contract with Florida International University (FIU) to further the development and commercialization of a new deicing technology enhanced by graphene, the revolutionary...

HyCarb's Graphene Battery Technology Poised to Revolutionize Energy Storage