William D. Coski

📍 Mercer Island, WA: #447 of 829 inventorsTop 55%

🗺 Washington: #35,300 of 76,902 inventorsTop 50%

Overall (All Time): #2,317,456 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5028092	Impact kerfing rock cutter and method	—	1991-07-02
4332420	Reciprocably supported dual drive member and features thereof	—	1982-06-01