Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D592897 | Mechandising shelf with a dropped mat | John H. Welsch, Douglas C. Bates, Alan R. Grula, Frank J. Hilstolsky | 2009-05-26 |
| D589286 | Merchandising shelf with a raised mat and truncated corners | John H. Welsch, Douglas C. Bates, Alan R. Grula, Frank J. Hilstolsky | 2009-03-31 |
| D589287 | Merchandising shelf with a raised mat | John H. Welsch, Douglas C. Bates, Alan R. Grula, Frank J. Hilstolsky | 2009-03-31 |
| D587502 | Merchandising shelf with a dropped mat and truncated corners | John H. Welsch, Douglas C. Bates, Alan R. Grula, Frank J. Hilstolsky | 2009-03-03 |