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Daniel J. Beecroft

Frederic, WI: #1 of 2 inventorsTop 50%

Wisconsin: #325 of 1,637 inventorsTop 20%

Overall (1989): #123,966 of 140,708Top 90%

1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4844186	Replaceable well drill bit	—	1989-07-04