Number | Name | Date | Kind |
---|---|---|---|
2006705 | Bangs | Jul 1935 | A |
2844299 | Kessler et al. | Jul 1958 | A |
2979227 | Norton et al. | Apr 1961 | A |
5042260 | George, Sr. | Aug 1991 | A |
5094359 | DeMars et al. | Mar 1992 | A |
5263339 | Evans | Nov 1993 | A |
5441170 | Bane, III | Aug 1995 | A |
5558214 | Brundidge | Sep 1996 | A |
5615795 | Tipps | Apr 1997 | A |
5758513 | Smith | Jun 1998 | A |
Entry |
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The Wiley Encyclopedia of Packaging Technology, John Wiley & Sons, pp. 66-69, 74, 75 (1986). |