About: numerous patent

Premodifier: numerous
Head noun: patent

Same concepts

Broader concepts

label	provenance	confidence
reference	isap:422991646	0.559776

Narrower concepts

label	provenance	confidence
u.s pat no 2,800,457	isap:107710466	0.808290
u.s pat no	isap:107710498	0.607152
patent	isap:396814890	0.471735