Lapke; Robert A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lapke; Robert A..The latest application filed is for "retractable access system ladder and work machine using same".
- Lapke; Robert A. - Peoria IL
| Patent | Date |
|---|---|
| Retractable access system ladder and work machine using same Grant 7,870,932 - Lapke , et al. January 18, 2 | 2011-01-18 |
| Retractable access system ladder and work machine using same App 20060070804 - Lapke; Robert A. ; et al. | 2006-04-06 |
| Work machine speed control system to manage engine overspeed and brake energy Grant 6,240,356 - Lapke May 29, 2 | 2001-05-29 |
| Engine power monitoring system Grant 6,094,617 - Lapke July 25, 2 | 2000-07-25 |
| Oil cooled piston rings Grant 4,026,197 - Lapke , et al. May 31, 1 | 1977-05-31 |
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