Granberg International is a family-owned business that makes chainsaw accessories and mills. The company was founded by Elof Granberg, a World War II veteran and contract logger.
History
Granberg invented the File-n-Joint in 1954 to improve chainsaw sharpening accuracy
Granberg invented the first 12-volt portable chainsaw sharpener
Granberg invented the first adjustable and portable saw chain breaker/mender
Granberg invented the first chainsaw hedge trimmer attachment
Granberg acquired the rights to the bar-mounted chain saw mill, nicknamed the “ALASKAN” in the 1960s
