Number | Name | Date | Kind |
---|---|---|---|
1928206 | Large | Sep 1933 | |
2268372 | Burrows | Dec 1941 | |
2761386 | Zebree | Sep 1956 | |
2773447 | Hall et al. | Dec 1956 | |
2878752 | Johnson et al. | Mar 1959 | |
2991714 | Noddin | Jul 1961 | |
2999460 | Stinger et al. | Sep 1961 | |
3021786 | Miller et al. | Feb 1962 | |
3158097 | Brockway et al. | Nov 1964 | |
3173367 | Shinpaugh | Mar 1965 | |
3188914 | Dahl | Jun 1965 | |
3286628 | Young et al. | Nov 1966 | |
3556009 | Thatcher | Jan 1971 | |
3587467 | Menke | Jun 1971 | |
3709149 | Miller et al. | Feb 1962 | |
4335652 | Bryan | Jun 1982 |
Entry |
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Co-pending U.S. patent application Ser. No. 77,718, filed 9/21/79. |
Co-pending U.S. patent application Ser. No. 177,210, filed 8/11/80. |