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…


Patent of the Day: Muffler

On this day in 1904 Eugene C. Richard was granted the patent for MUFFLER. U.S. Patent No. 773,984. The invention relates to mufflers especially designed for use in connection with explosion-engines;…


Halloween Patent of the Day: Haunting Aid

On August 17, 2004, Frank P. Becking was granted the patent for HAUNTING AID. U.S. Patent No. 6,776,687. A face with glowing eyes returns stare or blinks at onlookers. At least the head of a being or…


Halloween Patent of the Day: Halloween Mask with Flash Device

On March 14, 2000 Ben M. Hsia was granted the patent for HALLOWEEN MASK WITH FLASH DEVICE. U.S. Patent No. 6,035,447. A Halloween mask with flash device, which not only can increase the attractive…


Halloween Patent of the Day: Jack-A-Lantern

On January 15, 1889, George A. Beidler was granted the patent for JACK-A-LANTERN. U.S. Patent No. 396,252. This invention relates to certain improvements in that class of devices known as…