The land granted by the original patent was often sold to the new settlers.

I'd like them to seek out the clerk who granted the original patent to explain himself.

These noble families have no original patents of nobility, the first known being from 1360.

Primary level data - an electronic form of the original patent.

Saying: "hey, we licensed the original patents that you had to pay to get access to."

After that development, the original patent was no longer used.

The original patent is about ten years old, by the way, which gives you the first point in your time-window problem.

Their opponents' difficulty was that they had not even read the original patent.

The term is not used in his original patent.

The puzzle had not been patented internationally within a year of the original patent.