I don’t think it’s all of them which have been orphaned unless it’s been in the last couple of years.
Issoire relinquished the Wasmer type certificates in 2002. They do keep the ADs, SBs and manuals here: https://www.issoire-aviation.fr/documentation-technique-en.php (select manufacturer or type from the drop-down menu). They only have 2 current EASA TCs: APM 20/30 and APM 40.
