Over the following years , Gulf resorted to the American courts to recover company monies they alleged were spent by David Rowland , firstly via the courts and then via their insurance company .
In 1991 , Rowland sold his controlling interest to Nycal Corporation .
Over the following years , Gulf resorted to the American courts to recover company monies they alleged were spent by Rowland   , firstly via the courts and then via their insurance company .
In 1991 , Rowland sold his controlling interest to Nycal Corporation .