Number | Name | Date | Kind |
---|---|---|---|
D180260 | Adams et al. | May 1957 | |
D210153 | Pastva, Jr. | Feb 1968 | |
D230132 | Pastva, Jr. | Jan 1974 | |
D312769 | Bisbing | Dec 1990 | |
D316365 | Hausen et al. | Apr 1991 | |
D318606 | Weinerman et al. | Jul 1991 | |
2987908 | Pelcin | Jun 1961 | |
3389932 | Pastva, Jr. | Jun 1968 |
Entry |
---|
Perko catalogue (undated) p. 173, "Flush Ring Catch". |
Southco Handbook (undated) pp. G-2, G-3, "Push Lock". |