Dating site patents
Information about existing patents can be found in a number of places, including libraries, government registries and subscriber databases.
For free online searching, patent office databases are a good place to start.
Technologically sophisticated nations like Canada depend on the patent system for scientific advancement and economic strength.
By giving inventors monopolies on their creations for a specific time period, patents protect investments and allow inventors to profit financially from their creativity.
In contrast, searching for an existing patent can be simple if you know the country and have a reference number.
To make searching easier, every patent is classified by its subject matter.
Without the possibility of patent protection, many people might not take the risk of investing the time or money needed to create or perfect new products. Patents do more than make money and encourage creativity, however.
From approximately 1929 to 1945 the National Dobro Corporation made resonator (mechanically amplified) guitars, mandolins,ukuleles and other instruments, all based on the original work of John Dopyera.
This site is intended to showcase some of their work and help identify particular styles of instruments.
Using classification codes together with keyword searches can help you focus results to a more manageable level.
Typically, searchers will prepare a list of keywords that describe the invention and identify relevant classification codes.