Fè rechèch pou: Tit Otè Sijè Seri Nimewo apèl ki kòmanse ak: 10 20 30 50 100 pou chak paj < 10 ribrik presedan yo 10 pwochen ribrik yo > Navige nan ribrik yo # Patents and government-developed inventions -- United States. 7 Patents and government-developed inventions -- United States -- Periodicals. 1 Patents -- Bibliography 2 Patents -- Classification 1 Patents -- Drama. 1 Patents -- Europe -- Statistics -- Periodicals. 1 Patents -- Fees -- United States. 2 Patents -- Fiction. 1 Patents, Government-owned -- United States. 1 Patents -- Handbooks, manuals, etc. 4 10 20 30 50 100 pou chak paj < 10 ribrik presedan yo 10 pwochen ribrik yo >