Number | Name | Date | Kind |
---|---|---|---|
2277286 | Bechtner | Mar 1942 | |
2333826 | Smith et al. | Nov 1943 | |
2794758 | Harper et al. | Jun 1957 | |
4009063 | Wood | Feb 1977 | |
4064211 | Wood | Dec 1977 | |
4202531 | Hamrick | May 1980 | |
4456401 | Williams | Jun 1984 |
Number | Date | Country |
---|---|---|
1079091 | Apr 1960 | DEX |
Entry |
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Journal of the Energy Division, 1980 Paper on Remedial Waterstops Repair of Waterstop Failures, Ernest K. Schrader, M.ASCE. |