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Chesebrough patented the process of making petroleum jelly (U.S. patent 127,568) in 1872. By 1874, stores were selling over 1,400 jars of Vaseline a day. [3] Chesebrough's success stemmed from a firm belief in his product. Before he began selling petroleum jelly, he tested it on his own cuts and burns.
Chesebrough took samples of the rod wax back to Brooklyn, extracted the usable petroleum jelly, and began manufacturing a medicinal product he called Vaseline. [4] The first known reference to the name Vaseline was by the Chesebrough Manufacturing Company in the U.S. patent (U.S. Patent 127,568) in 1872. "I, Robert Chesebrough, have invented a ...
[citation needed] This consisted of 58% nitroglycerin by weight, 37% guncotton and 5% petroleum jelly. [citation needed] Using acetone as a solvent, it was extruded as spaghetti-like rods initially called "cord powder" or "the committee's modification of ballistite", but this was soon abbreviated to cordite. [citation needed]
The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
Frank J. Zamboni & Co., Inc. has taken a strong stance against its trademark dilution, the Zamboni name being used as a genericized trademark for ice resurfacers; [236] the company holds a registered trademark on the design and configuration of the Zamboni Ice Resurfacer by the U.S. Patent and Trademark Office.
The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional seven years.
Wikipedia entry for Google Patents.Google Patents is a search engine from Google that indexes patents and patent applications from the United States Patent and Trademark Office.
Thomas Midgley Jr. (May 18, 1889 – November 2, 1944) was an American mechanical and chemical engineer.He played a major role in developing leaded gasoline (tetraethyl lead) and some of the first chlorofluorocarbons (CFCs), better known in the United States by the brand name Freon; both products were later banned from common use due to their harmful impact on human health and the environment.