TDIPH Archives - Page 15 of 21 - Patent Yogi LLC

This Day in Patent History - On December 1, 1914, Nikola Tesla patented an apparatus for transmitting electrical energy

On December 1, 1914, Nikola Tesla patented an apparatus for transmitting electrical energy. …

This Day in Patent History - On November 30, 1858, John Mason patented the screw neck bottle called the Mason Jar

On November 30, 1858, John Mason patented the screw neck bottle called the Mason Jar …

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…

This Day in Patent History - On November 28, 1916, Edward H Angle invented an Orthodontic appliance to force the teeth of the dental arch into proper alignment

On November 28, 1916, Edward H Angle invented an Orthodontic appliance to force the teeth of the dental arch into proper alignment. This patent is…

This Day in Patent History - On November 27, 1894, Mildred Lord was granted a patent for a washing machine

On November 27, 1894, Mildred Lord was granted a patent for a washing machine. Mildred Lord is considered a prominent Amercian women inventors. …

This Day in Patent History - On November 25, 1975, Robert S. Ledley was granted a patent for "diagnostic X-ray systems" known as the CAT-Scan

On November 25, 1975, Robert S. Ledley was granted a patent for “diagnostic X-ray systems” known as the CAT-Scan. He pioneered the use of electronic…

This Day in Patent History - On November 24, 1874, a patent was granted to Joseph Glidden for barbed wire fencing

On November 24, 1874, a patent was granted to Joseph Glidden for barbed wire fencing. …

On November 23, 1899 Andrew Beard was granted a patent for a railway car coupler

On November 23, 1899 Andrew Beard was granted a patent for a railway car coupler. Andrew was born a slave, was emancipated at the age…