Number | Name | Date | Kind |
---|---|---|---|
1454888 | Green | May 1923 | |
2125313 | Ringler | Aug 1938 | |
2672273 | Smith | Mar 1954 | |
3314592 | Streich | Apr 1967 | |
4044762 | Jacobs | Aug 1977 | |
4046251 | Bruml | Sep 1977 | |
4232816 | Johnson et al. | Nov 1980 | |
4308986 | Parrilli | Jan 1982 | |
4383607 | Lordahl et al. | May 1983 | |
4666037 | Weissman | May 1987 | |
4697700 | Weissman | Oct 1987 |
Number | Date | Country |
---|---|---|
1124150 | Jun 1956 | FRX |
Entry |
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Packaging, vol. 31, No. 9, p. 53, 8/1986, Alloyd Co. advertisement. |
Flex Guard Packaged Mouthguard, 1989. |