Statements (6)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| https://www.w3.org/2000/01/rdf-schema#label |
John Hanley (patent, 1934)
|
| gptkbp:inventedBy |
gptkb:John_Hanley
|
| gptkbp:publicationYear |
1934
|
| gptkbp:bfsParent |
gptkb:Uninterruptible_Power_Supply_(UPS)
|
| gptkbp:bfsLayer |
7
|