Sunday Funday – This patented wind-harnessing bike uses a sail attached to its back wheel to move forward This patented wind-harnessing bike uses a sail attached to its back wheel to move forward. …
This Day in Patent History - On November 29, 1881, Francis Blake was granted a patent for the speaking phone On November 29, 1881, Francis Blake was granted a patent for the speaking phone. Blake was elected a member of the American Antiquarian Society in…
