extend the term of a patent
21Article One of the United States Constitution — United States of America This article is part of the series: United States Constitution Original text of the Constitution Preamble Articles of the Constitution I  …
22Copyright Term Extension Act — Sonny Bono Copyright Term Extension Act Full title To amend the provisions of title 17, United States Code, with respect to the duration of copyright, and for other purposes. Acronym CTEA Enacted by the 105th United States Congress …
23Digital television transition in the United States — Further information: Digital television transition The DTV (an abbreviation of digital television, also called digital broadcast) transition in the United States was the switchover from analog (the traditional method of transmitting television… …
24Fifth Amendment to the United States Constitution — United States of America This article is part of the series: United States Constitution Original text of the Constitution Preamble Articles of the Constitution I · …
25Progressivism in the United States — Part of the Politics series on Progressivism Schools American Progressivism Modern liberalism Progressive education Ideas Anti racism Civil liberties …
26Tribal sovereignty in the United States — See also: Native American self determination Tribal sovereignty map of the United States, with non reservation land highlighted. Tribal sovereignty in the United States refers to the inherent authority of indigenous tribes to govern themselves… …
27Sweden during the late 19th century — History of Sweden PREHISTORIC …
28List of characters in the Xenosaga series — The following is a list of major characters in the Xenosaga series. Contents 1 Development 2 Playable characters 2.1 Shion Uzuki 2.2 KOS MOS …
29Ionians (The) — The Ionians Malcolm Schofield THALES AND OTHERS The Greeks agreed that philosophy had begun with Thales. However they did not know much about his views.1 What survives is mostly a potent legend. Herodotus tells stories of his practical ingenuity …
30History of the single-lens reflex camera — The history of the single lens reflex camera predates the invention of photography in 1826/27 by one and a half centuries with the use of a reflex mirror in a camera obscura first described in 1676. Such SLR devices were popular as drawing aids… …
