 | United States. Congress. House. Committee on the Judiciary - 1949 - 82 trang
...plant, not known or used by others in this country, before his or their invention or discovery thereof, and not patented or described in any printed publication in this or any foreign country, before his or their invention or discovery thereof or more than one year prior to his or their application, and... | |
 | 432 trang
[ Xin lỗi, nội dung trang này bị giới hạn ] | |
 | 1949 - 1068 trang
[ Xin lỗi, nội dung trang này bị giới hạn ] | |
 | 1941 - 636 trang
[ Xin lỗi, nội dung trang này bị giới hạn ] | |
| |
Any person who has invented or discovered any new and useful art, machine, manufacture, or composition of matter, or any new and useful improvements thereof, not known or used by others in this country, before his invention or discovery thereof... 
