Swan; Leo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Swan; Leo.The latest application filed is for "pneumatically driven descaling tools".
- Swan; Leo - Jefferson MD
- Swan; Leo - Frederick MD
| Patent | Date |
|---|---|
| Pneumatically driven descaling tools Grant 5,251,367 - Ward , et al. October 12, 1 | 1993-10-12 |
| Wooden floor stripping machine Grant 5,129,708 - Swan July 14, 1 | 1992-07-14 |
| Quick release mechanism for the tool of a concrete/asphalt abrader Grant 4,953,523 - Swan September 4, 1 | 1990-09-04 |
| Stripping machine cutter finger assembly Grant 4,758,050 - Peterson , et al. July 19, 1 | 1988-07-19 |
| Diamond grinder assembly and snap-fit mounting means for scarifier case Grant 4,702,223 - Swan October 27, 1 | 1987-10-27 |
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