Statements (5)
Predicate | Object |
---|---|
gptkbp:instanceOf |
patent
|
gptkbp:covers |
unknown invention
|
gptkbp:filedIn |
unknown
|
https://www.w3.org/2000/01/rdf-schema#label |
US patent 29,400,000
|
gptkbp:issuedBy |
unknown
|