 Using a tooth that is curled over the top of the chain, there are alternate teeth which point left and right.In 1946, American logger Joseph Buford Cox of Portland, Oregon invented chipper teeth, which is still widely used today and represents one of the biggest influences in the history of timber harvesting.1946 Filament tape

Filament tape or strapping tape is a pressure-sensitive tape used for several packaging functions such as closing corrugated fiberboard boxes, reinforcing packages, bundling items, pallet utilizing, etc.