| Number | Name | Date | Kind |
|---|---|---|---|
| 212604 | Jenks | Feb 1879 | |
| 1843366 | Kreimer | Feb 1932 | |
| 2009867 | Ball | Jul 1935 | |
| 2014175 | Hart | Sep 1935 | |
| 2764846 | Worthington | Oct 1956 | |
| 5595019 | Foreman | Jan 1997 |
| Entry |
|---|
| A. M. Leonard, Inc., Plant Guard & Supports 22305, Fall 1986, p. 28, Aug. 27, 1997. |