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| Number | Title | Issue Date |
| 7191530 | Compass assembly A compass assembly includes a tape measure apparatus that includes a housing and a tape measure removably extendable outwardly of the housing. A disc has a top side, a bottom side and a peripheral edge. The disc has a centrally located opening extending therethrough... | 03/20/2007 |
| 7062859 | Measuring and layout device A measuring and layout device having a stationary member having a flat surface adapted to be marked on and an angle and distance device rotatably coupled to the stationary member. The angle and distance device includes a longitudinally and laterally rigid extendable... | 06/20/2006 |
| 6904697 | System for marking an arc segment This device facilitates field marking an arc of a circle having an obstructed center. It comprises a first clamp having a slot to engage a standard tape measure and a second clamp having another slot to engage a color-coded tape measure. A detachable swivel joint sn... | 06/14/2005 |
| 4407074 | Apparatus for cutting and/or scribing circles and ovals A horizontal rotary table is provided and a mounting arm is supported above the table and generally parallels the latter. The arm extends along a path paralleling an axis of rotation of the table and an upright shaft is journalled from the mounting arm fo... | 10/04/1983 |
