Number | Name | Date | Kind |
---|---|---|---|
3477337 | Racki | Nov 1969 | |
3687493 | Lock et al. | Aug 1972 | |
4263832 | Lang et al. | Apr 1981 | |
4270331 | Lang et al. | Jun 1981 | |
4642964 | Kellison | Feb 1987 | |
4652193 | Hibbs | Mar 1987 | |
4840524 | Bisping et al. | Jun 1989 | |
5170606 | Popp | Dec 1992 | |
5193958 | Day | Mar 1993 | |
5263804 | Ernst et al. | Nov 1993 |
Entry |
---|
Anchoring Systems for Construction, Kelken-Gold catalog cover and p. 6. |
Ramset/Redhead Concrete Anchor Systems catalog, copyright 1990, pp. 14 and 15. |