patent granted

URI: https://gptkb.org/prop/patent_granted
10 triples
GPTKB property
Random triples
Subject Object
gptkb:Marconi's_wireless_telegraph gptkb:U._S._Patent_763,772
gptkb:Marconi's_wireless_telegraphy 1897
gptkb:Super_Soaker_200 gptkb:1989
gptkb:original_Rubik's_Cube gptkb:1975
gptkb:Elias_Howe 1846
gptkb:Guillermo_González_Camarena gptkb:1942
gptkb:Blake's_cotton_gin 1794
gptkb:Harrison's_H4_chronometer 1760
gptkb:difference_engine_No._2 gptkb:none
gptkb:Marconi's_wireless_broadcasting_system gptkb:U._S._Patent_763,772