use Data::Dumper;
use XML::Rules;

my $parser = XML::Rules->new(
	stripspaces => 7,
	rules => {
	  'inventors' => 'no content remove(type)',
	  'inventor' => 'by number',
	  'number,city,country,name,upper-name' => 'content'
	}
);

my $data = $parser->parsefile('c:\temp\inventors.xml');
#print Dumper($data);
print "The 1st inventor was $data->{inventors}{1}{name}\n";