Appeal No. 98-2141 Application No. 08/427,653 the Jones patent, "skilled persons" would have understood that Jones’ second stage fuel pump (42), which the patent describes as "conventional" (col. 5, line 19), would be "a positive displacement pump, such as a gear-rotor pump." The examiner 5Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 NextLast modified: November 3, 2007