RC

Ralph A. Chrzastek

TM The Middleby: 2 patents #13 of 23Top 60%
MM Middleby Marshall: 1 patents #19 of 42Top 50%
📍 Morton Grove, IL: #75 of 248 inventorsTop 35%
🗺 Illinois: #26,653 of 84,256 inventorsTop 35%
Overall (All Time): #1,657,246 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5253564 Conveyor oven control Richard Rosenbrock, William S. Schjerven, SR. 1993-10-19
5197375 Conveyor oven control Richard Rosenbrock, William S. Schjerven, SR. 1993-03-30
4964392 Baking oven Adrian A. Bruno, Thomas Diwisch, Richard J. Casanzio 1990-10-23