Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5813092 | Hanger handle for a recloseable bag | Ronald J. Greenfield, Audrey M. Harper, Morton Schindel | 1998-09-29 |
| 5537767 | Modular display stand | Ronald J. Greenfield | 1996-07-23 |
| 5463030 | Metal chelating agents for medical application | Gopal Subramanian | 1995-10-31 |
| D338916 | Vertically-mountable brush holder | William Hoover, Ronald J. Greenfield | 1993-08-31 |
| D318767 | Display case for dispensing articles | John Hudik, Ronald J. Greenfield | 1991-08-06 |
| D259769 | Combined cover and base for a squeeze tube or the like | George S. Northrop, John Hudik | 1981-07-07 |