As a general rule, for works created after January 1, 1978, copyright protection lasts for the life of the author plus an additional 70 years. Therefore, you can begin legally sharing these designs around 2083.
I hope you do find the designs. Yes, he has died several years ago. He was a very nice man and his wife a sweetheart of a lady. He is missed.
http://web.archive.org/web/201301...
This is the site where you can find his free designs.
Hope it works,
Igelca
No, the designs would belong to his family now.
I thought there was a place you could still get them. I am sure someone will be along with a link to that place.