Did You Know...
...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7916312 | Measuring device for measuring a distance A measurement arrangement has a rotation axis around a first end of an extended member having a first joint thereat, and a second joint at the opposing end. An equipment for recording measured points is connected to the second joint. The joints are connected through... | 03/29/2011 |
| 7843576 | Means for measuring a diameter A diameter measuring instrument that comprises a straight-edge and two legs or jaws, wherewith the distance between the legs can be read-off. The invention is characterized in that the straightedge (2) is provided with a leg (3) which is fixed in relat... | 11/30/2010 |
| 7475493 | Diameter measuring instrument A caliper-like instrument for measuring tree diameters, includes a straightedge on which there is placed a first leg and a second leg. The instrument further includes a recording unit adjacent the first leg for recording and storing tree diameter measurements. The f... | 01/13/2009 |
| 7451552 | Electronic measuring tape An electronic measuring tape that includes a roller onto which the measuring tape is arranged to be wound up onto and wound out from through the roller being rotated, a first end of the measuring tape is attached in the roller, and where the roller is located inside... | 11/18/2008 |
