Inventor

CALLAHAN CHRISTOPHER

US3 patents

⚠️ This page may combine multiple inventors who share the name “CALLAHAN CHRISTOPHER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

INFINITY FUEL CELL AND HYDROGEN INC

1 patent

US8715871B2May 6, 2014

Electrochemical cell

INFINITY FUEL CELL AND HYDROGEN INC2 citations59

MICROSOFT CORP

1 patent

US7673178B2Mar 2, 2010

Break and optional hold on failure

MICROSOFT CORP4 citations57

CALLAHAN CHRISTOPHER

1 patent

US8506787B2Aug 13, 2013

Electrochemical cell

CALLAHAN CHRISTOPHER1 citations44