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Aerial message system
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Patent number 5,992,065
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Issue date Nov 30, 1999
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Bond; Arthur H.
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Gerard A. Preiser
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Skywriting apparatus
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Patent number 4,122,618
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Issue date Oct 31, 1978
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Gerald A. Gay
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3151410
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Patent number 3,151,410
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Issue date Oct 6, 1964
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3114214
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Patent number 3,114,214
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Issue date Dec 17, 1963
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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3089271
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Patent number 3,089,271
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Issue date May 14, 1963
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3052052
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Patent number 3,052,052
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Issue date Sep 4, 1962
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C06 - EXPLOSIVES MATCHES
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2674820
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Patent number 2,674,820
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Issue date Apr 13, 1954
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2591157
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Patent number 2,591,157
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Issue date Apr 1, 1952
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2404812
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Patent number 2,404,812
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Issue date Jul 30, 1946
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C06 - EXPLOSIVES MATCHES
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2345153
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Patent number 2,345,153
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Issue date Mar 28, 1944
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2345154
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Patent number 2,345,154
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Issue date Mar 28, 1944
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2345152
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Patent number 2,345,152
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Issue date Mar 28, 1944
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2308060
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Patent number 2,308,060
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Issue date Jan 12, 1943
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2156010
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Patent number 2,156,010
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Issue date Apr 25, 1939
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2065024
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Patent number 2,065,024
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Issue date Dec 22, 1936
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2062511
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Patent number 2,062,511
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Issue date Dec 1, 1936
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2062510
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Patent number 2,062,510
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Issue date Dec 1, 1936
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2045865
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Patent number 2,045,865
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Issue date Jun 30, 1936
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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2019652
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Patent number 2,019,652
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Issue date Nov 5, 1935
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F42 - AMMUNITION BLASTING
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1986942
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Patent number 1,986,942
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Issue date Jan 8, 1935
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1912392
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Patent number 1,912,392
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Issue date Jun 6, 1933
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1892132
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Patent number 1,892,132
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Issue date Dec 27, 1932
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1892139
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Patent number 1,892,139
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Issue date Dec 27, 1932
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1883970
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Patent number 1,883,970
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Issue date Oct 25, 1932
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1882521
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Patent number 1,882,521
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Issue date Oct 11, 1932
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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1850635
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Patent number 1,850,635
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Issue date Mar 22, 1932
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS