The Cutting Edge II: Hummingbird Feeders
10,000 Birds
NOVEMBER 10, 2020
The Woodstream Corporation has a number of brands, one of which is Perky-Pet , a major player in the bird feeding industry. 8,522,717 is titled “Top-Fill Hummingbird Feeder,” and it was issued in September 2013. Images: Perky-Pet marketing materials. Woodstream has numerous patents relating to hummingbird feeders.
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