Method for producing alpha titanium alloy pm articles Grant US-4931253-A United States of America 05 Jun 1990
Method for refining microstructures of blended elemental powder metallurgy titanium… Grant US-4536234-A United States of America 20 Aug 1985
Method for refining microstructures of prealloyed powder metallurgy titanium articles Grant US-4534808-A United States of America 13 Aug 1985