Statements (17)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:US_patent
|
| gptkbp:assignee |
gptkb:Samuel_Hopkins
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:date |
July 31, 1790
|
| gptkbp:describes |
First US patent ever issued
|
| gptkbp:fieldOfInvention |
Potash production
|
| https://www.w3.org/2000/01/rdf-schema#label |
US patent X1
|
| gptkbp:inventedBy |
gptkb:Samuel_Hopkins
|
| gptkbp:locationIssued |
gptkb:Philadelphia
|
| gptkbp:patent |
X1
|
| gptkbp:signedBy |
gptkb:George_Washington
gptkb:Thomas_Jefferson gptkb:Edmund_Randolph |
| gptkbp:status |
Expired
|
| gptkbp:title |
gptkb:Method_of_Making_Potash_and_Pearl_Ash
|
| gptkbp:bfsParent |
gptkb:Samuel_Hopkins
|
| gptkbp:bfsLayer |
6
|