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Class Information
Number: 33/44
Name: Geometrical instruments > Scriber > Parallel line > Edge guided > Multimarkers
Description: Devices having more than one scribing point.


Patents under this class:

Patent Number Title Of Patent Date Issued
6619175 V-cutter for an LCD light guide panel Sep. 16, 2003
6408527 Scoring tool Jun. 25, 2002
5497558 Multi-function drafting instrument Mar. 12, 1996
5116153 Multiple line writing instrument May. 26, 1992
4943817 Adaptor for universal X-Y plotter pen Jul. 24, 1990
4577409 Pen changing apparatus for plotter Mar. 25, 1986
4455750 Drafting tool for parallel lines Jun. 26, 1984
4393600 Structural beam square Jul. 19, 1983
4008522 Chalkboard line tool Feb. 22, 1977



 
 
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