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Patents for Hugo Bilgram
Patents 1 - 15 of 22
First set of recordsNext set of recordsLast set of records
133,192Nov. 19, 1872H. BilgramImprovement in steam-engine governorssteam engine governors
158,669Jan. 12, 1875H. BilgramImprovement in cut-off valve-gearssteam engine valve gear
164,132Jun. 08, 1875H. BilgramImprovement in cut-off-valve gearssteam engine valve gear
289,607Dec. 04, 1883H. BilgramMetal-planermetal planers
294,844Mar. 11, 1884H. BilgramBevel-gear cuttergear making machines
455,787Jul. 14, 1891H. BilgramBalance-wheel for time-piecesclockmaker
506,412Oct. 10, 1893H. BilgramCigarette-machinetobacco machinery
508,196Nov. 07, 1893T.A. Willson, H. BilgramMachine for grinding the edges of spectacle or eyeglass lenses
565,851Aug. 11, 1896H. BilgramCigarette-machinetobacco machinery
572,150Dec. 01, 1896H. BilgramCigarette-machinetobacco machinery
634,102Oct. 03, 1899H. BilgramPaper-bag machinepacking and packaging machines
655,668Aug. 07, 1900H. Bilgram, O.L. SchehlMechanism for feeding sheets of paper, &c.
656,340Aug. 21, 1900H. BilgramBag-machinepacking and packaging machines
665,054Jan. 01, 1901H. BilgramGear-cutting machinegear making machines
749,606Jan. 12, 1904H. BilgramGear-cutting machinegear making machines
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