| Number | Name | Date | Kind |
|---|---|---|---|
| D267468 | Simms | Jan 1983 | |
| D291839 | Phillips | Sep 1987 | |
| D307862 | Masotta | May 1990 | |
| 1726017 | Enfants Sr. | Aug 1929 | |
| 3061928 | Waters et al. | Nov 1962 | |
| 3173206 | Chambers | Mar 1965 | |
| 3436823 | Lamb et al. | Apr 1969 | |
| 4381604 | Horst | May 1983 | |
| 4598476 | Grasse | Jul 1986 | |
| 5208984 | Negus | May 1993 |
| Entry |
|---|
| Crain Company Catalog, pp. 17-18, disclosing floor scraping tools, dated 1995. |
| Catalog: Roberts Floor Covering Products, p. 28 (floor scraping tool). |