History

1970

The first 10' HYDRASPLIT produced was the Model 120. This machine has 1.2 million pounds of splitting force, making it the most powerful machine built to date.

1971

The Slant and Bevel Marker System was initially designed to improve efficiency in manufacturing this type of monument.

1972

Park Tool Company separated from Gran-A-Stone and incorporated independently.

1976

Tom and Joyce Schlough purchased Park Tool Company from Leon Schlough, Tom's father.

1979

Our first diamond tipped disc saw was developed for cutting granite slabs into “slant and hickey" markers.