I feel like I've gotten real lucky here with not having any issues (knock on wood).
How about posting just the State and Town they may live in and Just maybe there is a
fellow club member in the same area that could knock on their door and remind them ?
I know I'd be willing to assist in any way I could.
love your Style, Imagination, Talent and builds..
You could be one of the best Automotive designers, EVER!!!
Shame on those that have Wronged you!!!!