| Number | Name | Date | Kind |
|---|---|---|---|
| RE32747 | Ullmann | Sep 1988 | |
| D257793 | Gray | Jan 1981 | |
| D261565 | Grange | Oct 1981 | |
| D271625 | Gray | Nov 1983 | |
| D295900 | Bonori | May 1988 | |
| 2666257 | Butlin | Jan 1954 | |
| 2742693 | Nigro | Apr 1956 | |
| 3189069 | Stowell | Jun 1965 | |
| 3216052 | Hill | Nov 1965 | |
| 3878605 | Braginetz | Apr 1975 | |
| 4587729 | Jacobson | May 1986 | |
| 4949457 | Burout | Aug 1990 |
| Entry |
|---|
| Gillette Sensor, Patented Easy Loading System, 1989. |