Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4687112 | Child-resistant package | — | 1987-08-18 |
| 4623077 | Dispensing closure valve | — | 1986-11-18 |
| 4620640 | Lined child-resistant closure for widemouth liquid container | — | 1986-11-04 |
| 4613051 | Child-resistant package | — | 1986-09-23 |
| 4610372 | Self-sealing closure for small containers | — | 1986-09-09 |
| 4540099 | Tamper indicating package | Edward M. Hehl | 1985-09-10 |
| 4527704 | Tamper indicating package | — | 1985-07-09 |
| 4527706 | Tamper indicating package | Edward M. Hehl | 1985-07-09 |
| 4503985 | Tamper indicating package with large diameter opening | Edward M. Hehl | 1985-03-12 |
| 4399920 | Child resistant package | Paul W. Harbauer | 1983-08-23 |
| 4303176 | Unitary container with improved lid orientation and locking means | — | 1981-12-01 |
| 4282983 | Container with improved spring-like hinge | — | 1981-08-11 |