ALEXANDRIA, Virginia, Nov. 19 -- ANNOVIS BIO, INC., Berwyn, Pennsylvania has been assigned a patent (No. US 12144798 B2, initially filed June 7, 2022) developed by Maria Maccecchini, West Chester, Pennsylvania, for "(3aR)-1,3a,8-trimethyl-1,2,3,3a,8,8ahexahydropyrrolo[2,3-b]indol-5-yl phenylcarbamate and methods of treating or preventing neurodegeneration." . . .