This article is rated Start-class on Wikipedia's content assessment scale. It is of interest to the following WikiProjects:
Systems This article is within the scope of WikiProject Systems, which collaborates on articles related to systems and systems science.SystemsWikipedia:WikiProject SystemsTemplate:WikiProject SystemsSystems articles ??? This article has not yet received a rating on the project's importance scale. This article is within the field of Control theory.

There's an ongoing patent dispute regarding the idea behind the mechanism between Cambridge University and EPAR, a company in Poland. I couldn't find any sources in English but the translations below should shed some light:

• http://translate.googleusercontent.com/translate_c?act=url&hl=en&ie=UTF8&prev=_t&rurl=translate.google.com&sl=pl&tl=en&u=http://wyborcza.biz/biznes/1,101716,10930128,Czlowiek__ktory_przejechal_Newtona.html&usg=ALkJrhi23LQiYsonR9xRShj7yi8zegTS_A
• http://translate.google.com/translate?sl=pl&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&layout=2&eotf=1&u=http://www.epar.pl/informacje/stanowisku-wobec-sporu-patentowego-z-uniwersytetem-cambridge/&act=url

I think it's an important fact and should be included in the article. -- Fallenartist ( talk) 19:30, 16 January 2012 (UTC) reply

Obsolete.

• The article "Człowiek, który przejechał Newtona" (A man who ran over Newton) from the first link disappeared from wyborcza.biz ( Gazeta Wyborcza web service).
• In the second link the whole source domain epar.pl does not work anymore.

CiaPan ( talk) 09:56, 13 February 2019 (UTC) reply