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  2. List of United States Supreme Court patent case law - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    Diamond Rubber Co. v. Consolidated Rubber Tire Co. 220 U.S. 428: 1911: Inventor not obliged to know scientific theory underlying invention; can be pure empiricist: Henry v. A.B. Dick Co. 224 U.S. 1: 1912: The Court found contributory infringement for the sale of the defendant's ink with patent owner's machine (inherency doctrine).

  3. Consolidated Safety-Valve Co. v. Crosby Steam Gauge & Valve ...

    en.wikipedia.org/wiki/Consolidated_Safety-Valve...

    Consolidated Safety-Valve Co. v. Crosby Steam Gauge & Valve Co., 113 U.S. 157 (1885), was a patent case to determine validity of patent No. 58,294, [1] granted to George W. Richardson September 25, 1866, for an improvement in steam safety valves.

  4. American Type Founders - Wikipedia

    en.wikipedia.org/wiki/American_Type_Founders

    While the magnificent 1923 catalog was typical of its day at 1148 pages, subsequent editions were ever smaller. The 1934 catalog was only 207 pages, while the 1941 catalog was only slightly smaller at 191 pages. By 1956 the "descriptive index of types" was down to only 24 pages, but this recovered a little by 1966's catalog of 30 pages.

  5. Legal Tender Cases - Wikipedia

    en.wikipedia.org/wiki/Legal_Tender_Cases

    In Hepburn v.Griswold (1870), Chief Justice Salmon P. Chase held for a 5–3 majority [4] of the Court that the Act was an unconstitutional violation of the Due Process Clause of the Fifth Amendment:

  6. Pilot-operated relief valve - Wikipedia

    en.wikipedia.org/wiki/Pilot-operated_relief_valve

    PORV are also called pilot-operated safety valve (POSV), pilot-operated pressure relief valve (POPRV), or pilot-operated safety relief valve (POSRV), depending on the manufacturer and the application. Technically POPRV is the most generic term, but PORV is often used generically (as in this article) even though it should refer to valves in ...

  7. List of the United States Army weapons by supply catalog ...

    en.wikipedia.org/wiki/List_of_the_United_States...

    Ordnance crest "WHAT'S IN A NAME" - military education about SNL. This is a historic (index) list of United States Army weapons and materiel, by their Standard Nomenclature List (SNL) group and individual designations — an alpha-numeric nomenclature system used in the United States Army Ordnance Corps Supply Catalogues used from about 1930 to about 1958.

  8. Hotchkiss v. Greenwood - Wikipedia

    en.wikipedia.org/wiki/Hotchkiss_v._Greenwood

    Hotchkiss v. Greenwood, 52 U.S. (11 How.) 248 (1851), was a United States Supreme Court decision credited with introducing into United States patent law the concept of non-obviousness as a patentability requirement, [1] as well as stating the applicable legal standard for determining its presence or absence in a claimed invention.

  9. Knox v. Lee - Wikipedia

    en.wikipedia.org/wiki/Knox_v._Lee

    Knox v. Lee, 79 U.S. (12 Wall.) 457 (1871), was an important case for its time in which the Supreme Court of the United States overruled Hepburn v. Griswold. [1] In Knox v.. Lee, the Court held that making paper money legal tender through the Legal Tender Act did not conflict with Article I of the United States Constitut