Deletion of Walt Langendorfer

Comment: Seems like a notable inventor. passes . https://www.google.com/search?q=Walt+Langendorfer+gas+piston&rlz=1C5CHFA_enUS655US655&source=lnms&sa=X&ved=0ahUKEwj8vNaa4p7kAhVyhq0KHelNBFAQ_AUICSgA&biw=1012&bih=725&dpr=1 Look at the search here. Perhaps investigate  
Stance: comment
Cited policy: Wikipedia:Notability (WP:ANYBIO||WP:PRESERVE||WP:ATD)