Until -

Here are two more links that reference his name.

http://www.businesswire.com/news/home/20130920005946/en/ ...
United-Resource-Holdings-Group-Inc.%E2%80%99s-Majority-Owned

http://docs.azgs.az.gov/SpecColl/1988-01/1988-01-0258.pdf (pgs 11 and 12)

I agree...the web is very silent on any research papers he has written and/or mention of receiving a PhD.

FWIW...I did a search on "ruckman phd metals".