Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5577626 | Closure with opening assist feature | James W. Henkel | 1996-11-26 |
| 5494174 | Container with removal resistant closure | Leo R. Imbery, Jr. | 1996-02-27 |
| 5462183 | Closure with a tamper-evident element | John M. Hess, III, Richard J. Daniels, John Elliott | 1995-10-31 |
| D356949 | Closure | Bruce M. Mueller | 1995-04-04 |
| 5356017 | Child resistant closure with recessed latch | Leo R. Imbery, Jr., Richard J. Daniels | 1994-10-18 |
| 5271531 | Dispensing closure with pressure-actuated flexible valve | John M. Hess, III | 1993-12-21 |
| 5115950 | Dispensing closure with unitary structure for retaining a pressure-actuated flexible valve | — | 1992-05-26 |
| 5065911 | Two-piece dispensing closure with cantilevered biasing member | Lawrence R. Kitterman | 1991-11-19 |
| 5005737 | Flexible dispensing closure having a slitted resilient outlet valve and a flanged vent valve | — | 1991-04-09 |
| 4881668 | Closure with open lid retainer | Lawrence R. Kitterman | 1989-11-21 |
| 4709823 | Tamper evident bottle or package closure | James M. Beck | 1987-12-01 |
| 4638916 | Closure with snap-type hinge cap | James M. Beck | 1987-01-27 |
| 4480413 | Bladed centrifugal blasting wheel | Harold F. Schulte, Raymond M. Leliaert | 1984-11-06 |
| 4333278 | Bladed centrifugal blasting wheel | Harold F. Schulte, Raymond M. Leliaert | 1982-06-08 |
| 4291509 | Guard housing and liner for bladed centrifugal blasting wheels | Harold F. Schulte, Raymond M. Leliaert | 1981-09-29 |