جستجو به دنبال: عنوان نویسنده موضوع سری که شروع می شود با: 10 20 30 50 100 در صفحه < سرفصل 10 قبل سرفصل 10 بعد > مرور سرفصلها # Patel, Ravi. 1 Patel, Ravi -- Family. 2 Patent laws and legislation 1 SEE ALSO: Copyright 5 Patent laws and legislation -- United States -- Popular works 8 Patent laws and legislation -- United States -- Popular works -- Periodicals. 1 Patent licenses -- United States -- Popular works. 3 Patent literature 1 Patent literature -- Searching -- SEE: Patent searching 1 Patent medicines -- New York (State) -- New York -- History -- 19th century. 1 Patent practice. 1 10 20 30 50 100 در صفحه < سرفصل 10 قبل سرفصل 10 بعد >