Patent of the Day: Carbonizing Apparatus
On this day in 1903 Bernhard Zwillinger was granted the patent for CARBONIZING APPARATUS. U.S. Patent No. 744,666. This invention relates to apparatus for carbonizing material, such as wood, in a…
Patent of the Day: Toothbrush with Liquid Container
On this day in 1965 Bernard Cyzer was granted the patent for TOOTHBRUSH WITH LIQUID CONTAINER. U.S. Patent No. 3,217,720. Toothbrushes are known in which a cavity provided in the handle is connected…
Patent of the Day: Ammunition Jacket
On this day in 1904 Joseph W. Righton was granted the patent for AMMUNITION JACKET. U.S. Patent No. 775,149. This invention relates to ammunition-jackets; and it has for its object to provide a…
Patent of the Day: Ruby Laser Systems
On this day in 1967 Theodore H. Malman was granted the patent for RUBY LASER SYSTEMS. U.S. Patent No. 3,353,115. This invention relates to the generation, amplification, and utilization of…
Patent of the Day: Life Boat
On this day in 1837 John Macintosh was granted the patent for LIFE BOAT. U.S. Patent No. 462. A canvas is taken, of other flexible material, and render it impervious to water by means of a solution…
Patent of the Day: Recording Pen
On this day in 1903 Florentine A. Jones was granted the patent for RECORDING PEN. U.S. Patent No. 743,725. This invention relates to that class of pens or marking devices that are employed in…
Patent of the Day: Aerial Vessel
On this day in 1886 Moses S. Cole was granted the patent for AERIAL VESSEL. U.S. Patent No. 352,298. The object of this invention is to provide a new and improved aerial vessel which can be raised,…
Patent of the Day: Neck Muffler
On this day in 1904, James Scott was granted the patent for NECK MUFFLER. U.S. Patent No. 774,703. This invention relates to mufflers for protecting the neck, chest, or back or the ears and face, and…
Patent of the Day: Crane
On this day in 1922 Thomas Millard Nichols was granted the patent for CRANE. U.S. Patent No. 1,434,623. The device forming the subject matter of this application is a crane of that general type shown…
Patent of the Day: Artificial Leg
On this day in 1846, Benjamin Franklin Palmer was granted the patent for ARTIFICIAL LEG. U.S. Patent No. 4,834. The nature of this invention consists in new and improved articulations of the knee,…
Patent of the Day: Method of and Apparatus for Electrical Conversion and Distribution
On this day in 1891 Nikola Tesla was granted the patent for METHOD OF AND APPARATUS FOR ELECTRICAL CONVERSION AND DISTRIBUTION. U.S. Patent No. 462,418. This invention is based on certain electrical…
Patent of the Day: Electrical Transformer
On this day in 1897 Nikola Tesla was granted the patent for ELECTRICAL TRANSFORMER. U.S. Patent No. 593,138. The present application is based upon an apparatus which is devised and employed for the…