On February 20, 1872, Silas Noble and James P. Cooley were issued U.S. Patent No. 123,790 on an Improvement in Tooth-Pick Machines:

On February 19, 1878, Thomas A. Edison was issued U.S. Patent No. 200,521 on a Phonograph or Speaking Machine:

On February 18, 1879, U.S. Patent No. D11,023 issued to Auguste Bartholdi on a Statute (the Statute of Liberty):

On February 16, 1993, Kyle Gorka and Curt Smith were issued U.S. Patent No. 5,186,196 on a Beverage Shader:

On February 15, 1955, U.S. Patent No. 2,702,035 issued to John H. Gibbon, Gustav V.A. Malmros, and Edmund A Barber, Jr., on an Oxygenating Unit for Extracorporeal Circulation Devices (the heart/lung machine).

On February 14, 1871, U.S. Patent No. 111,798 issued to Thomas Adams on an Improvement in Chewing-Gum. 

Adams conceived the idea while working as a secretary to former Mexican leader Santa Anna, who chewed a natural gum called chicle.  After failing to turn it to a rubber suitable for tires, he made the chicle into a chewing gum called Chiclets.

On February 13, 1906, Alfred Einhorn was issued U.S. Patent No. 812,544 on Alkamin Esters of Para-Aminobenzoic Acid or Procain. which was marketed under the brand NOVOCAIN.  As Alfred described it:

On February 12, 1884, Louis E. Waterman was issued U.S. Patent No. 293,545 on the Fountain Pen.

On February 11, 1969, A.S. Hermann and Herbert “Zeppo” Marx — yes that “Zeppo” were issued U.S. Patent No.  3,426,727 on a Method and Watch Mechanism for Actuation by a Cardiac Pulse:

Who knew that Zeppo was the smartest of the Marx Brothers?  Or that he invented a Fit Bit, long before anyone else?