Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466281 | Water-based ink composition for ball-point pen | Bruce Gindelberger, Saul Heiman | 1995-11-14 |
| D313527 | Infant seat liner | Lee E. Perdelwitz, Jr. | 1991-01-08 |
| D312549 | Infant seat liner | Lee E. Perdelwitz, Jr. | 1990-12-04 |
| 4900377 | Method of making a limited life pad | Douglas E. Redford, Lee E. Perdelwitz, Jr., Ron H. Iff, Paul G. Gaddis, David G. Halley +2 more | 1990-02-13 |
| 4891454 | Infant car seat liner | Lee E. Perdelwitz, Jr. | 1990-01-02 |
| 4886697 | Thermoplastic material containing absorbent pad or other article | Lee E. Perdelwitz, Jr, Robert H. Young, Ron H. Iff, Kathleen S. Allison, Raimo K. Rahkonen +1 more | 1989-12-12 |
| 4885200 | Infant car seat liner | Lee E. Perdelwitz, Jr. | 1989-12-05 |
| 4329394 | Surface-coated, unsize-pressed cellulosic sheet and method for making same | — | 1982-05-11 |