![]() It began as a radio show broadcast from 1948 to 1957. Our Miss Brooks is an American situation comedy starring Eve Arden as a sardonic high school English teacher. Our Miss Brooks: House Trailer / Friendship / French Sadie Hawkins Day 792).įrom 1836 to 2011, the United States Patent and Trademark Office (USPTO) has granted a total of 7,861,317 patents relating to several well-known inventions appearing throughout the timeline below. The modern-day provisions of the law applied to inventions are laid out in Title 35 of the United States Code (Ch. However, the Uruguay Round Agreements Act of 1994 (URAA) changed the patent term in the United States to a total of 20 years, effective for patent applications filed on or after June 8, 1995, thus bringing United States patent law further into conformity with international patent law. 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 7 years. On July 31, 1790, Samuel Hopkins of Pittsford, Vermont became the first person in the United States to file and to be granted a patent for an improved method of Making Pot and Pearl Ashes. 109) into law proclaiming that patents were to be authorized for any useful art, manufacture, engine, machine, or device, or any improvement therein not before known or used. On April 10, 1790, President George Washington signed the Patent Act of 1790 (1 Stat. In 1641, the first patent in North America was issued to Samuel Winslow by the General Court of Massachusetts for a new method of making salt. Copyright protection secures a person's right to his or her first-to-invent claim of the original invention in question, highlighted in Article I, Section 8, Clause 8 of the United States Constitution, which gives the following enumerated power to the United States Congress: ![]() The only true wisdom is in knowing you know nothing.Ī timeline of United States inventions (before 1890) encompasses the ingenuity and innovative advancements of the United States within a historical context, dating from the Colonial Period to the Gilded Age, which have been achieved by inventors who are either native-born or naturalized citizens of the United States. You can upload your own Wikipedia articles through: You can find other Wikipedia audio articles too at: You could even learn subconsciously by playing the audio while you are sleeping! If you are planning to listen a lot, you could try using a bone conduction headphone, or a standard speaker instead of an earphone. Now learn the vast amount of general knowledge available on Wikipedia through audio (audio article). increases imagination and understanding Written language only began at around 3200 BC, but spoken language has existed long ago. Listening is a more natural way of learning, when compared to reading. Timeline of United States inventions (before 1890) This is an audio version of the Wikipedia Article: ![]() Timeline of United States inventions (before 1890) | Wikipedia audio article ![]()
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