DS

Donald P. Smith

UN Unknown: 2 patents #37 of 1,640Top 3%
SI Stein Industries: 1 patents #1 of 4Top 25%
📍 San Ramon, CA: #1 of 30 inventorsTop 4%
🗺 California: #156 of 10,592 inventorsTop 2%
Overall (1989): #5,410 of 140,708Top 4%
4
Patents 1989

Issued Patents 1989

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4876426 Method and apparatus for water vapor control in convection ovens 1989-10-24
4834063 Food cooking oven with duct fingers and method Yong Youn Hwang 1989-05-30
4835351 Oven humidity reservoir William W. Plumb, Jarald E. High 1989-05-30
4831238 High volume forced convection tunnel oven William W. Plumb, Jarald E. High 1989-05-16