WA

Wayne W. Althen

SP Sunnen Products: 4 patents #9 of 38Top 25%
📍 Chesterfield, MO: #1,541 of 6,461 inventorsTop 25%
🗺 Missouri: #5,256 of 23,789 inventorsTop 25%
Overall (All Time): #1,303,766 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4887221 Computer controlled honing machine using look up table data for automatic programming James K. Davis, Daniel R. Cloutier, Gerry R. Schnitzler 1989-12-12
4621455 Combination horizontal/vertical honing machine Robert M. Sunnen, Rickey S. Riehl 1986-11-11
4253279 Precision honing device 1981-03-03
4197680 Precision honing mandrel Harold T. Rutter 1980-04-15