Search subject headings
...
Stats
Colophon
Auxiliary sciences of history
›
Civilization
›
Social sciences
›
Economics
›
Property
›
Intangible property
›
Intellectual property
›
Industrial property
›
Patents
›
Business method patents
Business method patents
Topic
sh2011005228
·
id.loc.gov
Broader Terms (1)
Patents
Hierarchy
Hide
Broader groupings:
show peers
