% AND-gate NORTH
\newsavebox{\andn}
\savebox{\andn}(6,10){
\begin{picture}(6,10)
\put(0,2){\line(0,1){3}}
\put(0,2){\line(1,0){6}}
\put(6,2){\line(0,1){3}}
\put(1,0){\line(0,1){2}}
\put(5,0){\line(0,1){2}}
\bezier{30}(0,5)(0,8)(3,8)
\bezier{30}(6,5)(6,8)(3,8)
\put(3,8){\line(0,1){2}}
\end{picture}
}