Celebrate Pi Day with Accio Patent by searching for some π-atents!
- US 314
- US 314159
And if you prefer some pie on Pi Day, try US D639107. To search for a US Design patent, tap the "US RE/D" button twice, and you'll see "US D" in the search bar—or just scan this barcode!
Thanks, Matthew Yospin, for your Pi-patent research!