Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5198292 | Tack cloth for removing solid particles from solid surfaces and method for its manufacture | Peter Lerner | 1993-03-30 |
| 5198293 | Non-woven cleaning cloth | — | 1993-03-30 |
| 4960630 | Apparatus for producing symmetrical fluid entangled non-woven fabrics and related method | John M. Greenway, Walter E. Schortmann, Peter Mancini, Timothy Connolly | 1990-10-02 |
| 4537819 | Scrub-wipe fabric | Walter E. Schortmann | 1985-08-27 |