Number | Name | Date | Kind |
---|---|---|---|
923100 | Young | May 1909 | |
2159051 | Quinn | May 1939 | |
2204610 | Minich et al. | Jun 1940 | |
2254234 | Minich | Sep 1941 | |
3034262 | Pawlson | May 1962 | |
3162983 | Hartman | Dec 1964 | |
3262228 | Schenck | Jul 1966 | |
3788010 | Goff | Jan 1974 | |
3900969 | Diehn | Aug 1975 | |
3934372 | Diehn et al. | Jan 1976 | |
3934373 | Leliaert et al. | Jan 1976 | |
3977128 | Goff | Aug 1976 | |
4020596 | Bergh | May 1977 | |
4164104 | Carpenter et al. | Aug 1979 | |
4364823 | Goff | Dec 1982 | |
4376358 | Shelton | Mar 1983 | |
4377923 | Bergh | Mar 1983 | |
4377924 | Bergh | Mar 1983 | |
4416092 | Nelson | Nov 1983 | |
4932167 | Carpenter | Jun 1990 | |
4941296 | Carpenter | Jul 1990 | |
5257480 | Carpenter | Nov 1993 | |
5269355 | Bowen | Dec 1993 |
Number | Date | Country |
---|---|---|
0032161 | Jul 1981 | EPX |
2900 | Jan 1870 | GBX |
2203368 | Oct 1988 | GBX |
Entry |
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Marks's Standard Handbook for Mechanical Engineers, 8th Edition, section 12-139, Noise Control 1951. |