DD

David Charles Dorste

SV Sporlan Valve: 2 patents #1 of 5Top 20%
📍 Chesterfield, MO: #16 of 279 inventorsTop 6%
🗺 Missouri: #59 of 1,010 inventorsTop 6%
Overall (1994): #36,232 of 165,921Top 25%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5364066 Dual port valve with stepper motor actuator Dennis L. Hoehne, John W. Friend, Donald L. Tillotson 1994-11-15
5277364 Dual capacity thermal expansion valve Joseph H. Heffner 1994-01-11