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Class 111/26 - Powder marking


Subclass of Class 111 - Planting
Definition: Marking devices wherein accomplished by dropping upon the
No. of patents: 1
Last issue date: 01/13/1987


NumberTitleIssue Date
4635847Field marker and method
A field marker is disclosed for selectively dropping sections of rolled paper tissue to the ground surface to indicate the boundary of an area being treated with a liquid. The marker includes a device for mounting a tissue roll for rotation to facilitate ...
01/13/1987
 
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