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| Number | Title | Issue Date |
| 5806188 | Slotter A slotter capable of providing a cut of precise depth into a tube is comprised of a main base and an adjustable roller base capable of extension and retraction from the main base, controllable by an adjustable over-center actuator linkage. A pair of rolle... | 09/15/1998 |
| 5450925 | Lubrication system for a reciprocating power tool The drive mechanism for imparting reciprocating movement to the tool plunger includes first and second drive members. The first drive member is mounted on an eccentric formation which is in turn mounted on a drive shaft thereby to impart a wobbling moveme... | 09/19/1995 |
| 3938622 | Chain saw oil pump with overload protection Disclosed herein is a chain saw oil pump comprising an engine supported by a suitable frame, a pumping chamber defined by the frame and including an inlet and an outlet, a pumping member reciprocal and rotatable in said pumping chamber relative to the inl... | 02/17/1976 |
