uspto.gov, click on "Trademarks -> Search TM Database", and perform a Basic search for "Webtop". The only earlier occurrences in both the Patent and Trademark databases are for systems unrelated to a web desktop context. نسخة محفوظة 26 يوليو 2018 على موقع واي باك مشين.
uspto.gov, click on "Trademarks -> Search TM Database", and perform a Basic search for "Webtop". The only earlier occurrences in both the Patent and Trademark databases are for systems unrelated to a web desktop context. نسخة محفوظة 26 يوليو 2018 على موقع واي باك مشين.