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Electronic embossing machine
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Patent number 4,031,993
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Issue date Jun 28, 1977
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Pitney-Bowes, Inc.
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Rainer Eberhard Gurgens
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Keyboard switch system
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Patent number 3,964,062
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Issue date Jun 15, 1976
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Signal Laboratories, Inc.
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Delbert Flagg
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3919935
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Patent number 3,919,935
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Issue date Nov 18, 1975
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3676689
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Patent number 3,676,689
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Issue date Jul 11, 1972
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3668694
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Patent number 3,668,694
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Issue date Jun 6, 1972
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3353038
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Patent number 3,353,038
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Issue date Nov 14, 1967
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3168035
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Patent number 3,168,035
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Issue date Feb 2, 1965
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3049991
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Patent number 3,049,991
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Issue date Aug 21, 1962
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G06 - COMPUTING CALCULATING COUNTING
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3036686
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Patent number 3,036,686
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Issue date May 29, 1962
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2864307
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Patent number 2,864,307
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Issue date Dec 16, 1958
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2796830
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Patent number 2,796,830
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Issue date Jun 25, 1957
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2675108
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Patent number 2,675,108
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Issue date Apr 13, 1954
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2630899
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Patent number 2,630,899
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Issue date Mar 10, 1953
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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2532228
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Patent number 2,532,228
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Issue date Nov 28, 1950
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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1328736
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Patent number 1,328,736
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Issue date Jan 20, 1920
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS