Invention Grant
- Patent Title: Device for contrasting chromatic colors
- Patent Title (中): 用于对比色彩的设备
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Application No.: US29510239Application Date: 1939-09-15
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Publication No.: US2238316APublication Date: 1941-04-15
- Inventor: GAUGLER JOSEPH P
- Applicant: GAUGLER JOSEPH P
- Assignee: Joseph P Gaugler
- Current Assignee: Joseph P Gaugler
- Priority: US29510239 1939-09-15
- Main IPC: G01J3/52
- IPC: G01J3/52
Public/Granted literature
- USD765566S1 Radiator grille surround for a vehicle Public/Granted day:2016-09-06
Information query
