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Keffer
Gary Keffer, Stilwell, KS US
| Patent application number | Description | Published |
|---|---|---|
| 20110208200 | VETERINARY PRECISION FIXATION DEVICE AND METHOD OF USING THE SAME - A veterinary precision fixation device for use in tibial plateau leveling osteotomy procedures includes a jig assembly having a center jig member having a first and a second end, a first jig leg pivotally coupled to the first end, and a second jig leg pivotally coupled to the second end. The device also includes a saw positioning assembly including a positioning arm and a guide leg, the positioning assembly being operably connected to the jig assembly. The device further includes a saw guide assembly having a saw fixation member slidably coupled to at least one slide bar wherein the slide bar is coupled to the guide leg of the saw positioning assembly. A method for using the precision fixation device in a tibial plateau leveling osteotomy is also provided for making a substantially perpendicular cut of the tibia. | 08-25-2011 |
Michael A. Keffer, Centennial, CO US
| Patent application number | Description | Published |
|---|---|---|
| 20080257555 | Linear Drive Assembly with Rotary Union for Well Head Applications and Method Implemented Thereby - A drive assembly for a progressive cavity pump includes a frame supported by the wel piping and a polish rod connected to the sucker rod. The polish rod is received by a rotary union formed by a sleeve portion rotatable with respect to a body portion with a seal structure that seals the sleeve and body portions during rotation. A mechanical drive, such as a hydraulic motor, electric motor or engine, has an output shaft that is linear with the polish rod and that has an axial passageway which receives the polish rod. A coupler mechanically couples an upper portion of the polish rod to the output shaft. The invention also includes a method of rotating a progressive cavity pump by this assembly. | 10-23-2008 |
Ruth M. Keffer, Baltimore, MD US
| Patent application number | Description | Published |
|---|---|---|
| 20090077814 | Cutting Angle Indicator in Jigsaw Housing with Dust Extraction - A jigsaw generally includes a housing containing a motor activated by a trigger assembly. The housing defines a window. A shoe member pivotally connects to the housing. An indicator wheel is disposed in the housing so that a portion of the indicator wheel is visible through the window, wherein pivoting of the shoe member relative to the housing causes the indicator wheel to rotate. | 03-26-2009 |
| 20090077820 | Control of Reciprocation Speed and Orbital Magnitude of a Jigsaw with a Plurality of Material and/or Task Descriptive Icons - A jigsaw generally includes a housing containing a motor activated by a trigger assembly. A single control member is connected to the housing and configured to be accessible by a user. A reciprocating shaft moves at a reciprocation speed and at a magnitude of orbital motion when the trigger assembly is in a retracted condition. The single control member is operable to be positioned among a plurality of positions. Each of the positions corresponds to a predetermined combination of values of the reciprocation speed and the magnitude of the orbital motion. | 03-26-2009 |
