Patent Grant
D352534
| Number | Name | Date | Kind |
|---|---|---|---|
| D218624 | Margolies | Sep 1970 | |
| D272376 | Cunnington | Jan 1984 | |
| D324709 | Lehtonen | Mar 1992 | |
| 567915 | McLarty | Sep 1896 | |
| 1536256 | Calzetti | May 1925 | |
| 1750549 | Thomson et al. | Mar 1930 | |
| 1782728 | Kiefer | Nov 1930 | |
| 1866860 | Pareira | Jul 1932 | |
| 1979716 | Terry | Nov 1934 | |
| 1979783 | Williams et al. | Nov 1934 | |
| 1982872 | Husted | Dec 1934 | |
| 2145940 | Marlowe | Feb 1939 | |
| 2714507 | Goodrich | Aug 1955 | |
| 3261606 | Elia et al. | Jul 1966 | |
| 3380737 | Elia et al. | Apr 1968 | |
| 3394934 | Elia et al. | Jul 1968 | |
| 3912264 | Busse et al. | Oct 1975 | |
| 4284272 | Evans et al. | Aug 1981 | |
| 4346886 | Cox et al. | Aug 1982 | |
| 4421307 | Cunnington et al. | Dec 1983 | |
| 4452448 | Ausherman | Jun 1984 | |
| 4541627 | MacLean et al. | Sep 1985 | |
| 4647035 | Yellen | Mar 1987 | |
| 4728099 | Pitre | Mar 1988 | |
| 4743010 | Geraci | May 1988 | |
| 4743011 | Coffey | May 1988 | |
| 4746112 | Fayal | May 1988 | |
| 4798378 | Jones | Jan 1989 | |
| 4867447 | Johnson | Sep 1989 | |
| 4880224 | Jonas et al. | Nov 1989 | |
| 4900013 | Rodgers, Jr. | Feb 1990 | |
| 4921242 | Watterson | May 1990 | |
| 5013033 | Watterson et al. | May 1991 | |
| 5072929 | Peterson et al. | Dec 1991 |
| Entry |
|---|
| Martin Marine Company, Inc., Specification of X-OARCIZER, published prior to invention. |
| LifeFitness, A bally Company, Liferower Model 8500 sales brochure, prior art. |
| WaterRower, by WaterRower Inc., sales brochure, published prior to invention. |
| Concept II rowing Ergometer, by Concept II, Inc., sales brochure, copy right 1990. |
| Altero Rowing Machine, by Altero Technologies Inc., sales brochure, prior art. |
| Avita Paraflex II, by Avita, sales brochure, published prior to invention. |
| Electronic Rowing Machines, by Tunturi, sales brochure, published prior to invention. |
