Trends in patent filing activities in the USA
Subtitle: a contribution to the study and assessment of the technological trends developing in the USA from 1969 to 1979, based on a statistical analysis of patents
By: H. Grevink, H. Kronz.
Contributors: Kronz, H.; Commission of the European Communities. Directorate-General for Information Market and Innovation.
Series: Information management
Publisher: Commission of the European Communities
Published: 1986
Place of publication: Luxembourg
Language: eng
Notes: EUR 9736 EN.

Blow-up from microfiche original.

At head of t.p.: Commission of the European Communities.

At foot of t.p.: Directorate-General Information Market and Innovation.