Number | Name | Date | Kind |
---|---|---|---|
2958905 | Newberg et al. | Nov 1960 | |
3124626 | Graham et al. | Mar 1964 | |
3388724 | Mowell et al. | Jun 1968 | |
3394207 | Andersen | Jul 1968 | |
3439075 | Bauer et al. | Apr 1969 | |
3444279 | Dost | May 1969 | |
3453716 | Cook | Jul 1969 | |
3491171 | French | Jan 1970 | |
3793411 | Stonitsch et al. | Feb 1974 |
Number | Date | Country |
---|---|---|
875,929 | Jul 1971 | CA |
Entry |
---|
Syntactic Foams for Deep Sea Engineering Applications, Naval Engineers Journal, Apr. 1968, pp. 235-242. |