I came across some sites claiming U.S. patents to some cool aircraft designs. We have seen functional AVROCARs and VTOLS in documentaries but I was wondering if the patents in these sites were correct in an engineer's and scientist's point of view. Feel free to comment kung posible ba ni or dli.
1947 OTIS CARR Flying Machine
1963 N.C. Price Disc VTOL
1973 H.W. Wallace Anti-gravity generator?
![]()