August 17, 2011 06:13 pm PDT
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/6YtUcHa-9i4/patent-for-a-combination-sparrow-catcher-cat-feeder.html
Patent for a combination sparrow-catcher cat-feeder
From Futility Closet: Patent 4150505 for a Bird trap and cat feeder, issued on April 24, 1979 Why spend money on cat food when there's a more immediate solution? Leo Voelker's 1979 invention simultaneously curbs the local sparrow population and … Continue readingOriginal Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/6YtUcHa-9i4/patent-for-a-combination-sparrow-catcher-cat-feeder.html
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