In 1897, the company patented the process for making butted tubes, which are thicker at the ends than in the middle, this allowed frame builders to create frames that were both strong and lightweight.
The company patented the process for. This was in 1897. The company was making butted tubes. This was in 1897. This allowed frame builders. This was in the middle. This was to create frames that were both strong and lightweight. Butted tubes are thicker at the ends.