Patents

No. 7,158,989; Limit Engine Database Management System, January 2, 2007.
No. 5,956,711; Database System With Restricted Keyword List And Bi-directional Keyword Translation; September 21, 1999.
No. 4,314,736; Fluid Transfer Mechanism; July 27, 1982.
No. 4,278,086; Variable Stop Syringe; July 14, 1981.
No. 4,276,260; Fluid Transfer Mechanism; June 30, 1981.