DS

David A. Scher

AL Autoroll Machine Company, L.L.C.: 6 patents #2 of 14Top 15%
📍 Groveland, MA: #13 of 77 inventorsTop 20%
🗺 Massachusetts: #20,307 of 88,656 inventorsTop 25%
Overall (All Time): #885,991 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5867882 Process for the preparation of silk-screens for use in printing half tones William M. Karlyn, Robert E. Wesinger, Michael E. Bissel 1999-02-09
5842413 Method for providing the mesh of a silk screen at an angle for minimizing moire William M. Karlyn 1998-12-01
5752441 Method of manufacturing a plurality of annular shaped silk screen members William M. Karlyn 1998-05-19
5740732 Apparatus for simultaneously manufacturing multiple annular shaped screen frames William M. Karlyn 1998-04-21
5732624 Annular shaped silk screen member for silk screen printing halftones William M. Karlyn 1998-03-31
5562030 Process and apparatus for simultaneously preparing a plurality of silk screens William M. Karlyn, Robert E. Wesinger, Michael E. Bissel 1996-10-08