(That patent was recently purchased for $700,000 by two of Friendster's competitors.)

The German patent for the unique arch style roof was purchased for a $1,000 royalty fee.

Later this patent was purchased and the alloy marketed as duralinium.

The patent was purchased by the Brown & Sharpe Manufacturing Company.

The patents were auctioned by the court, and mostly purchased by Paul Allen.

A patent on a fully developed core system was granted in 1947, and later purchased by IBM in 1956.

Related patents were also purchased from the Scott Paper Co., who were working on a similar project.

Both patents had been purchased by RCA prior to their approval.

His patent was purchased by the Electric Telegraph Company in 1847 for £600.

The name, patents, and products were purchased back by the former owners, George and Peter Irwin in 2003.