John Hessin Clarke,
Niles-Bement-Pond Company v. Iron Moulders' Union Local No…
“ Thus, if the Tool Company be considered as having any corporate existence whatever separate from that of the petitioner, it must have an interest in the controversy, involved in such a case as we have here, of a nature such that a final decree could not be made without affecting that interest, and perhaps not without leaving the controversy in a condition wholly inconsistent with that equity which seeks to put an end to litigation by doing complete and final justice, and therefore it must be concluded that it was an indispensable party, within the quoted longestablished rule. ”
