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(d) - data for 1836 include 599 patents issued prior to July 4, the effective date of the 1836 patent law (e) - "Patents", as used in this column, refers to "patents for inventions", also known as "utility" patents Data Sources (a) - recent statistics are obtained from the report, U.S. Patent Statistics Report, U.S. Patent and Trademark Office ...
This is a list of notable antiques experts This is a dynamic list and may never be able to satisfy particular standards for completeness. You can help by adding missing items with reliable sources .
Collectors and enthusiasts alike are willing to pay high prices or even top dollar for well-preserved, authentic pieces. Here are five valuable 1970s collectibles you might just have stored in ...
AJ Aubrey Patents Description City Filed from Patent Number Date Issued Improved Safety for breakdown guns Hopkinton, MA: 859477: July 9, 1907 Sight For Firearms Meriden, CT: 839535: December 25, 1906 Sight For Firearms Meriden, CT: 835091: November 6, 1906 Automatic Shell-Ejector for Firearms Meriden, CT: 887569: May 12, 1908 Fore-Stock ...
1547–1582. The rolls for the years 1547–1582 were published in calendar form in 19 volumes, under the title Calendar of the Patent Rolls, between 1924 and 1986. 1582–1603. In the late 1980s, the Public Record Office suspended its programme of scholarly publication, and the initiative passed to the List and Index Society. Between 1990 and ...
number (required) is a patent number, without leading "US" letters, but with leading "D" letter if patent number contains it, and is required. issue-date (optional) is the date of issuing (granting). inventor (optional) is a name of inventor; it can be a wiki-link, of course. title (optional) is the title of the patent.
Chronological dating, or simply dating, is the process of attributing to an object or event a date in the past, allowing such object or event to be located in a previously established chronology. This usually requires what is commonly known as a "dating method".
Early editions with intact bindings and illustrations are particularly coveted by collectors, routinely fetching prices ranging from around $50 to over $100. 5. ‘Mrs.
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