Martin did never designed a succesfull A-cat but was involved in some design issues like the Mikan which was not a bad boat.
AHPC did licensed the Flyer but never the Tool. Jim supported Mercer after he stopped with AHPC to help the start up, AHPC never did anything with the Tool they where never involved there.

Pete Melvin did a succesfull A-class design and the Nacra F18 or inter or how they call these things.

Hans