This patent application is a continuation-in-part of U.S. Ser. No. 07/765,576 filed Sep. 25, 1991, now U.S. Pat. No. 5,259,557, issued Nov. 9, 1993.
Number | Name | Date | Kind |
---|---|---|---|
1610714 | Smith | Dec 1926 | |
2054136 | Pfaff et al. | Sep 1936 | |
2716507 | Graves | Aug 1955 | |
2811389 | Fischer | Oct 1957 | |
2993651 | Packard | Jul 1961 | |
3037707 | Ligon | Jun 1962 | |
3168967 | Giampa | Feb 1965 | |
3303800 | Young | Feb 1967 | |
3430865 | McDougall | Mar 1969 | |
3650479 | Liedberg | Mar 1972 | |
3675851 | Merfeld et al. | Jul 1972 | |
3811618 | Gartner et al. | May 1974 | |
3863843 | Hechler, IV | Feb 1975 | |
4142681 | Hechler, IV | Mar 1979 | |
4238074 | Coons | Dec 1980 | |
4247046 | Hechler, IV | Jan 1981 | |
4254805 | Reeder | Mar 1981 | |
4327770 | Brown et al. | May 1982 | |
4505431 | Huffman | Mar 1985 | |
4527740 | Gunzel, Jr. et al. | Jul 1985 | |
4697610 | Bricker et al. | Oct 1987 | |
4717077 | Takata | Jan 1988 | |
4750645 | Wilson et al. | Jun 1988 | |
4753370 | Rudick | Jun 1988 | |
4901923 | McRoskey et al. | Feb 1990 | |
4928853 | Isham et al. | May 1990 | |
4947739 | Owen | Aug 1990 | |
4991821 | Beaston | Feb 1991 | |
5033649 | Copeland et al. | Jul 1991 | |
5037003 | Bally et al. | Aug 1991 | |
5042523 | Robertson et al. | Aug 1991 | |
5060825 | Palmer et al. | Oct 1991 | |
5074438 | Ingram | Dec 1991 | |
5253807 | Newbegin | Oct 1993 | |
5255820 | Thomas | Oct 1993 | |
5259557 | Spriggs et al. | Nov 1993 |
Number | Date | Country |
---|---|---|
0325335 | Jul 1989 | EPX |
2150427 | Aug 1973 | DEX |
1139021 | Jun 1957 | FRX |
780202 | Jul 1957 | GBX |
2010105 | Nov 1978 | GBX |
WO8505092 | Nov 1985 | WOX |
WO8909361 | Oct 1989 | WOX |
Entry |
---|
Hydro Systems Company: HydroSprayer Series, "Liquid Proportioners"; .COPYRGT.1989. |
Hydro Systems Company: New Product Development: Multiple Product Selector Valve. |
Hydro Systems Company: New Product Development: Variable Dilution Selector Valve. |
Hydro Systems Company: HydroFoamer Series, "Automatic Foaming Hose End Liquid Proportioner", .COPYRGT.1988. |
Economics Laboratory, Inc. Control Tower II Advertising Brochure No. 13554/0402/0783. |
Dema Engineering Company Blend Center Brochure Bulletin No. 87003. |
Dema Engineering Company Multi-Blend Center Brochure Bulletin No. 89010. |
Dema Engineering Company Drum-Mount Proportioner Model 162 Brochure No. 84002. |
Dema Engineering Company Demamatic Liquid Level Proportioning Controls Bulletin No. 83009. |
Dema Engineering Company New Magnetically Operated Demamatic Liquid Level Bulletin No. 87-012. |
Ecolab Sani-Center Installation and Operation Manual .COPYRGT.1989. |
Ecolab Inc., "Cleaning Help Available" Brochure, .COPYRGT.1991. |
Ecolab OASIS Installation and Operation Manual, .COPYRGT.1990. |
Number | Date | Country | |
---|---|---|---|
Parent | 765576 | Sep 1991 |