Number | Name | Date | Kind |
---|---|---|---|
296758 | Kutsche | Apr 1884 | |
711188 | Stone | Oct 1902 | |
930561 | Rahe | Aug 1906 | |
994282 | Spilsbury | Jun 1911 | |
1929246 | Hechenbleikner | Oct 1933 | |
2186501 | Seligman et al. | Jan 1940 | |
2453613 | Babbitt | Nov 1948 | |
2480732 | Hendrickson | Aug 1949 | |
2499949 | Glanzer et al. | Mar 1950 | |
3241678 | Wrotnowski | Dec 1961 | |
3242649 | Rivers | Mar 1961 | |
3242656 | Murphy, Jr. | Mar 1966 | |
3330414 | Mecky | Jul 1967 | |
3434269 | Hyatt | Mar 1969 | |
3630007 | Neumann | Dec 1971 | |
3655060 | Hagdahl | Apr 1972 | |
3747308 | Versluis et al. | Jul 1973 | |
3771661 | Barnebey | Nov 1973 | |
3802168 | Deckas | Apr 1974 | |
3961920 | Gilbert | Jun 1976 | |
3964890 | Bonn | Jun 1976 | |
3999969 | Shuler | Dec 1976 | |
4045350 | Kupf et al. | Aug 1977 | |
4095965 | Neumann et al. | Jun 1978 | |
4129429 | Humbert et al. | Dec 1978 | |
4226723 | Purchas | Oct 1980 | |
4243536 | Prolss | Jan 1981 | |
4344784 | Deckas et al. | Aug 1982 | |
4378983 | Martin | Apr 1983 | |
4385911 | Popeil et al. | May 1983 |
Entry |
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Various specification sheets (i.e., pp. 87, 12 and 13, and pages from a Barnebey Cheney catalog), showing certain air cleaning equipment. |