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David E. Sisk

Bonne Terre, MO: #1 of 1 inventorsTop 100%

Missouri: #23 of 859 inventorsTop 3%

Overall (1989): #11,210 of 140,708Top 8%

3 Patents 1989

Issued Patents 1989

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4889318	Molded hopper tee	—	1989-12-26
4848396	Cast hopper tee	—	1989-07-18
4822001	Positive fluid seal butterfly valve	—	1989-04-18