The company added tubes to the basic brick in 1958 and patented the design.
The company has patented the technique, but is not revealing the ingredients.
In the same year the company patented the Cassette 2 radiator.
The company patented the new design, as well as several similar designs to avoid competition.
One common misunderstanding is that pharmaceutical companies patent the plants they collect.
The company has been patenting inventions in the field for more than a decade, with the most recent patent issued just this week.
Finally, the company this week patented what it said was another unexpected side effect of the hyperimmune process on animals.
The company developed and patented its own ironless winding system.
The company patented the technology and licensed it to other glass producers around the world.
Unfortunately, companies have already been developing and patenting cloning techniques.
