Palisade Bio Granted U.S. Patent Titled ‘Administration of serine protease inhibitors to the stomach’
https://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=11439611.PN.&OS=PN/1143961