DW

Duane W. Witzke

HU Hoover Universal: 4 patents #22 of 278Top 8%
JS Johnson Service: 1 patents #83 of 193Top 45%
📍 Logan, OH: #17 of 65 inventorsTop 30%
🗺 Ohio: #15,837 of 73,341 inventorsTop 25%
Overall (All Time): #1,062,090 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4925513 Method for manufacturing contoured seats Alan J. Selbert, Michael E. Lowe 1990-05-15
4860415 Method of making a vehicle seat assembly with pour-in-place foam body 1989-08-29
4740260 Method and apparatus for manufacturing seats and article formed thereby Alan J. Selbert, Randy A. Zeilinger 1988-04-26
4702522 Seat assembly with foam encapsulated load-supporting fibrous matrix Curtis F. Vail 1987-10-27
4603907 J-clip mounting system for load bearing seat members 1986-08-05