ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,096, issued on Nov. 4, was assigned to HEXR LTD (London).

"Impact mitigating structure" was invented by Henry Neilson (London), James Cook (London), Adam Levy (London) and Robin Spicer (London).

According to the abstract* released by the U.S. Patent & Trademark Office: "A helmet includes an impact mitigating structure (100). The impact mitigating structure includes a first inner layer (102), a second outer layer (104) and a reactive layer (105) positioned between the first inner layer and the second outer layer. The reactive layer includes multiple elements (106) held between the first inner layer and second outer layer. The reactive layer is arranged such that, when the second la...