תוכן דף

World-Wide:

 

European Patent Office (Espacenet)

(European patents from 1978 on. Output comes in various formats, depending on the patent office.

It may include bibliography, abstract, description, claims, drawings,

search report, or the entire patent.)

 

Patent Offices on the Internet

(Links to patent offices worldwide.)

 

U.S. Patent and Trademark Office Web Patent Databases

(United States patents in full-text from 1976 on.)