Number | Name | Date | Kind |
---|---|---|---|
1667964 | Beddoes | May 1928 | |
1760903 | Honkel | Jun 1930 | |
1983929 | Buelna et al. | Dec 1934 | |
2693390 | Spendor et al. | Nov 1954 | |
3272437 | Coson | Sep 1966 | |
3332624 | Rinkewich | Jul 1967 | |
3815832 | Floyd | Jun 1974 | |
4353507 | Kah, Jr. | Oct 1982 | |
4417691 | Lockwood | Nov 1983 | |
4568023 | Hayes | Feb 1986 | |
4721248 | Chow | Jan 1988 | |
5052621 | Katzer et al. | Oct 1991 |
Number | Date | Country |
---|---|---|
73312 | Jun 1979 | JPX |
2094181 | Sep 1982 | GBX |
Entry |
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Product--Whisper Quiet Sprinkler, NAAN Sprinklers and Irrigation Systems, Inc., Cerritos, CA--Model 525-C. |