Ruler
Description
Claims
The ornamental design of a ruler, shown and described.
Referenced Cited
Patent History
Patent number: D857532
Type: Grant
Filed: May 7, 2018
Date of Patent: Aug 27, 2019
Inventor: Akiteru Hirayama (Shizuoka)
Primary Examiner: Antoine Duval Davis
Application Number: 29/646,755
Type: Grant
Filed: May 7, 2018
Date of Patent: Aug 27, 2019
Inventor: Akiteru Hirayama (Shizuoka)
Primary Examiner: Antoine Duval Davis
Application Number: 29/646,755
Classifications