Number | Name | Date | Kind |
---|---|---|---|
2289946 | Weatherhead | Jul 1942 | |
2548528 | Hansen | Apr 1951 | |
2594641 | Griffith | Apr 1952 | |
2845945 | Mancusi, Jr. | Dec 1956 | |
2943639 | Smith | Jul 1960 | |
3051196 | Miller | Aug 1962 | |
4182370 | Karcher | Jan 1980 | |
4537384 | Petersen | Aug 1985 |
Entry |
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Sketch of a design for a check valve intended for use with an automotive air conditioner system, generated as a result of a meeting in may of 1988 incorporating suggestions from several individuals not employed by the assignee of present invention. |
Catalog sheet of Aeroquip Corporation, p. 213, undated. |
Copy of Applicant's drawing No. 446ASM C1, Oct. 1988. |