Number | Name | Date | Kind |
---|---|---|---|
2874205 | Race | Feb 1959 | |
3111166 | Munz et al. | Nov 1963 | |
3194023 | Sudmeier | Jul 1965 | |
4089184 | Beitner | May 1978 | |
4107934 | Beitner | Aug 1978 | |
4274262 | Reed et al. | Jun 1981 | |
4297850 | Reed | Nov 1981 | |
4326383 | Reed et al. | Apr 1982 | |
4346562 | Beitner | Aug 1982 | |
4759190 | Trachtenberg et al. | Jul 1988 | |
4981019 | Hicks et al. | Jan 1991 | |
5060479 | Carmi et al. | Oct 1991 |
Entry |
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"Tropicool" brochure (6 pp.), 1991, WAECO-Wahning & Co. GmbH, D-4407 Emsdetten, Postfach 11 44, Sinninger Strasse 36. |
Igloo.RTM. 1992 Product Catalog and Price List, Igloo Products Corp., P.O. Box 19322, Houston, Tex. 77224-9322, pp. 2-3. |
1991 Coleman Outdoor Products, Inc., The Coleman Company, Inc. 250 North St. Francis, Wichita, Kans. 67202, pp. 37-39. |