710 F.2d 1544 (Fed. Cir. 1983) Cited 21 times 2 Legal Analyses
Rejecting argument that a prior art reference should not be considered "because it deals with collapsible hose rather than flexible plastic pipe and teaches that rolling 600 feet of 4 inch, noncollapsible hose into a transportable bundle is virtually 'an insurmountable task'" because "it is not necessary that the inventions of the references be physically combinable to render obvious the invention under review."