A patent is a document usually handled by a government agency that gives the holder exclusive rights to a process, design or new invention for a designated period of time. Patents are important documents for currency and historical reasons. A list of patent databases is available for searching with individual patents usually available in full text.
Queen's University Michael White is a librarian with patent expertise and has created a guide for all things patents. Check it out for sources, information and data.
A standard is a document that specify characteristics and technical details that must be met by the products, systems and processes that the standards cover. Usually related to construction or engineering applications standards can be identified and ordered directly. You can search for standards of interest, but they are only available for direct purchase and downloading. Contact the Science Librarian for more information or to see if they can be obtained.