Method of Making Potash and Pearl Ash
GPTKB entity
Statements (13)
Predicate | Object |
---|---|
gptkbp:instanceOf |
gptkb:US_patent
|
gptkbp:awardedBy |
gptkb:Samuel_Hopkins
|
gptkbp:country |
gptkb:United_States
|
gptkbp:date |
July 31, 1790
|
https://www.w3.org/2000/01/rdf-schema#label |
Method of Making Potash and Pearl Ash
|
gptkbp:patent |
X1
|
gptkbp:signedBy |
gptkb:George_Washington
gptkb:Thomas_Jefferson gptkb:Edmund_Randolph |
gptkbp:significance |
first US patent granted
|
gptkbp:subject |
production of potash and pearl ash from wood ashes
|
gptkbp:bfsParent |
gptkb:US_patent_X1
|
gptkbp:bfsLayer |
7
|