Historical statistics of patent applications and grants
Statistics of patent applications and grants for 1917, 1938 and 1939.
Ref: FOI/2014/434 PDF, 14.5KB, 1 page
This file may not be suitable for users of assistive technology. Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email email@example.com. Please tell us what format you need. It will help us if you say what assistive technology you use.
Provides information held by the Intellectual Property Office (IPO) on patent applications and grants for years 1917, 1938 and 1939 as published in Annual Reports.
This information has been released by the IPO under the Freedom of Information Act 2000.