570 () posted 2 years ago by XtremePatriot 2 years ago by XtremePatriot +570 / -0 94 comments share 94 comments share save hide report block hide replies
https://patents.google.com/patent/US7776521B1/en?q=coronavirus&country=US&page=1
https://patents.google.com/patent/US10130701B2/en