Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:intellectual_property
|
| gptkbp:date_granted |
March 7, 1876
|
| gptkbp:has_patent_number |
US Patent 174465
|
| https://www.w3.org/2000/01/rdf-schema#label |
telephone patent
|
| gptkbp:influenced_by |
telegraph technology
|
| gptkbp:is_applied_in |
gptkb:Alexander_Graham_Bell
|
| gptkbp:publication_year |
February 14, 1876
|
| gptkbp:related_to |
gptkb:communication_systems
|
| gptkbp:significance |
gptkb:first_practical_telephone
|
| gptkbp:subject_matter |
method of transmitting vocal or other sounds electrically
|
| gptkbp:subsequent_patents |
many improvements and variations
|
| gptkbp:bfsParent |
gptkb:Alexander_Graham_Bell
|
| gptkbp:bfsLayer |
3
|