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Ink for an ink jet printer
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Patent number 4,836,852
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Issue date Jun 6, 1989
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Ing. C. Olivetti & Co., S.p.A.
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Franco Knirsch
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Electronic pocket calculator
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Patent number 4,372,694
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Issue date Feb 8, 1983
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Ing. C. Olivetti & Co., S.p.A.
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Michele Bovio
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G06 - COMPUTING CALCULATING COUNTING
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Sheet feeder for a writing system
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Patent number 4,189,135
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Issue date Feb 19, 1980
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Ing. C. Olivetti & Co., S.p.A.
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Armando Costa
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Support for fixing objects removably
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Patent number 3,945,596
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Issue date Mar 23, 1976
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Ing. C. Olivetti & Co., S.p.A.
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Franco Marraccini
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A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...