The Cutting Edge II: Hummingbird Feeders
10,000 Birds
NOVEMBER 10, 2020
I previously wrote about patents for birdseed feeders , particularly ones directed to problems with squirrel “marauders.” 8,522,717 is titled “Top-Fill Hummingbird Feeder,” and it was issued in September 2013. A billion dollar market means competition and manufacturers have long sought patents for innovative feeder designs.
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