Appeal No. 2002-1645 Page 5
Application No. 09/281,553
prior art inventors did not appreciate the results. See W.L. Gore & Assocs. v. Garlock,
Inc., 721 F.2d 1540, 1548, 220 USPQ 303, 309 (Fed. Cir. 1983).
The inquiry as to whether a reference anticipates a claim must focus on what
subject matter is encompassed by the claim and what subject matter is described by
the reference. As set forth by the court in Kalman v. Kimberly-Clark Corp., 713 F.2d
760, 772, 218 USPQ 781, 789 (Fed. Cir. 1983), cert. denied, 465 U.S. 1026 (1984), it is
only necessary for the claims to "'read on' something disclosed in the reference, i.e., all
limitations of the claim are found in the reference, or 'fully met' by it."
Engelhart
Engelhart's invention relates generally to walking aids for invalids and more
particularly to an improved walker which enables a maximum of walking exercise by an
invalid with respiratory and/or other problems while requiring a minimum of effort
without the constant pressure of an attendant. One object of Englehart's invention was
to provide an improved wheeled walker for invalids which enables I.V. feeding or the
taking of oxygen by the patient while walking with the aid of the walker while a second
object was to provide an improved walker which enables a respiratory patient to
assume his most comfortable position--leaning slightly forward while standing and
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