Appeal No. 1997-4285 Page 8
Application No. 08/420,852
obviousness is established by presenting evidence that would
have led one of ordinary skill in the art to combine the
relevant teachings of the references to arrive at the claimed
invention. See In re Fine, 837 F.2d 1071, 1074, 5 USPQ2d
1596, 1598 (Fed. Cir. 1988) and In re Lintner, 458 F.2d 1013,
1016, 173 USPQ 560, 562 (CCPA 1972).
In this case, it is our view that even if it would have
been obvious at the time the invention was made to a person
having ordinary skill in the art to have modified Pahmeier in
the manner set forth by the examiner (final rejection, pp. 3-
4), such modifications would not have arrived at the claimed
invention for the reasons that follow.
Pahmeier discloses a system 10 for treating wastewater
discharged from airplane manufacturing operations. The system
10 includes a variety of sequential chemical adjustments to
the waste stream which can remove substantially all toxic
organics and heavy metals therefrom. As shown in Figure 1, a
water waste stream, including any of the toxic organics and
metals described previously, is input into the system at 12.
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