Number | Name | Date | Kind |
---|---|---|---|
RE20944 | Baker | Dec 1938 | |
2214880 | Crawford | Sep 1940 | |
3965690 | Berryhill | Jun 1976 | |
4230670 | Forseth | Oct 1980 | |
4312189 | Cotton, Jr. | Jan 1982 | |
4351817 | Slagel et al. | Sep 1982 | |
4399864 | Lamar | Aug 1983 | |
4604108 | Cotton, Jr. | Aug 1986 | |
4723415 | Chen | Feb 1988 | |
4857090 | Hartness | Aug 1989 | |
5019300 | Davis et al. | May 1991 | |
5247809 | Berryhill | Sep 1993 | |
5368786 | Dinauer et al. | Nov 1994 | |
5497628 | Stueble | Mar 1996 |
Entry |
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LUWA Industrial Air Conditioning Products, 1965 Pneumafil Corporation, Charlotte, North Carolina. |