Research Tools: Derwent Innovations Index

URL:

https://ezproxy.lafayette.edu/login?qurl=http://webofknowledge.com/?DestApp=DIIDW

Resource Types:

Index

Coverage:

Coverage: 1963-present (patents); 1973-present (patent citations)

Description:

Database of information on international patents in chemical, electrical and electronic, and mechanical engineering. Allows for patent citation searching.