Patent Grant
D403635
| Number | Name | Date | Kind |
|---|---|---|---|
| 4762080 | Pearson | Aug 1988 | |
| 4773349 | McKinney | Sep 1988 | |
| 4815412 | Cassaro, Jr. | Mar 1989 | |
| 4917039 | Siero | Apr 1990 | |
| 4922849 | Wills | May 1990 |
| Entry |
|---|
| Brochure distributed by American Inventors Corporation approximately during May, 1992. |
| Number | Date | Country | |
|---|---|---|---|
| Parent | 849312 | Mar 1992 |
