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English: United States patent #1,394,450. "Bread-Toaster" filed 22 June 1920 and patented 18 October 1921. "Bread-Toaster" filed 22 June 1920 and patented 18 October 1921. Serial number 390,706.
Under the Patent Act of 1793, the United States barred foreign inventors from receiving patents at the same time as granting patents to Americans who had pirated technology from other countries. “America thus became, by national policy and legislative act, the world’s premier legal sanctuary for industrial pirates.
Original file (1,158 × 1,702 pixels, file size: 889 KB, MIME type: application/pdf, 7 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
The Portable Document Format (PDF) was created by Adobe Systems, introduced at the Windows and OS/2 Conference in January 1993 and remained a proprietary format until it was released as an open standard in 2008.
Original file (1,158 × 1,702 pixels, file size: 38 KB, MIME type: application/pdf) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Original file (1,275 × 1,650 pixels, file size: 792 KB, MIME type: application/pdf, 6 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
The large size of the US economy, the strong pro-patentee legal regime and over 200 years of case law make US patents more valuable and more litigated than patents of any other country. The long history of patents and strong protection of patent holders contributes to abuse of the system by patent trolls , which are largely absent in other ...
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