Roger Masse

Tappan, NY: #1 of 3 inventorsTop 35%

New York: #1,258 of 5,342 inventorsTop 25%

Overall (1989): #62,221 of 140,708Top 45%

1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4840235	Impact hammer assembly for drilling rock	—	1989-06-20