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Sea marker
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Patent number 5,144,906
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Issue date Sep 8, 1992
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Piepenbrock Pyrotechnik GmbH
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Daniel Kraemer
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C06 - EXPLOSIVES MATCHES
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3448654
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Patent number 3,448,654
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Issue date Jun 10, 1969
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F41 - WEAPONS
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3319596
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Patent number 3,319,596
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Issue date May 16, 1967
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B60 - VEHICLES IN GENERAL
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3298307
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Patent number 3,298,307
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Issue date Jan 17, 1967
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F42 - AMMUNITION BLASTING
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3260075
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Patent number 3,260,075
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Issue date Jul 12, 1966
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3224232
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Patent number 3,224,232
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Issue date Dec 21, 1965
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G08 - SIGNALLING
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3158099
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Patent number 3,158,099
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Issue date Nov 24, 1964
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F42 - AMMUNITION BLASTING
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3016969
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Patent number 3,016,969
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Issue date Jan 16, 1962
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2971731
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Patent number 2,971,731
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Issue date Feb 14, 1961
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2789501
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Patent number 2,789,501
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Issue date Apr 23, 1957
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2763369
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Patent number 2,763,369
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Issue date Sep 18, 1956
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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2751582
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Patent number 2,751,582
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Issue date Jun 19, 1956
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F42 - AMMUNITION BLASTING
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2646786
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Patent number 2,646,786
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Issue date Jul 28, 1953
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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2620763
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Patent number 2,620,763
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Issue date Dec 9, 1952
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B60 - VEHICLES IN GENERAL
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2002492
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Patent number 2,002,492
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Issue date May 28, 1935
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A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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1673945
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Patent number 1,673,945
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Issue date Jun 19, 1928
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F41 - WEAPONS
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1289622
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Patent number 1,289,622
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Issue date Dec 31, 1918
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F41 - WEAPONS
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1132631
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Patent number 1,132,631
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Issue date Mar 23, 1915
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B61 - RAILWAYS