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| Number | Title | Issue Date |
| 7694654 | Internal combustion engine for small planing boat An internal combustion engine for a small planing boat for preventing supercooling of the internal combustion engine before warm-up while enabling efficient cooling of the internal combustion engine after warm-up. An internal combustion engine for a small planing bo... | 04/13/2010 |
| 4178134 | Engine coolant system flush attachment for coolant hose A flush attachment for a coolant hose accommodates gas or air induction to mix with a pressurized stream of cleaning liquid for efficient scavenging of rust or scale from machinery cooling systems. The construction of the attachment also protects against ... | 12/11/1979 |
