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Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to DE4116149 priority Critical Priority to DE4116149A priority patent/DE4116149A1/en Application filed by Hilti AG filed Critical Hilti AG Assigned to HILTI AKTIENGESELLSCHAFT reassignment HILTI AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST.
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Original Assignee Hilti AG Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US07/883,828 Inventor Erwin Schiefer Current Assignee (The listed assignees may be inaccurate.
#HILTI ANCHORS WITH KNURLED SHANKS PDF#
Google Patents Expansion dowel with friction reducing coatingÄownload PDF Info Publication number US5176481A US5176481A US07/883,828 US88382892A US5176481A US 5176481 A US5176481 A US 5176481A US 88382892 A US88382892 A US 88382892A US 5176481 A US5176481 A US 5176481A Authority US United States Prior art keywords expansion dowel sleeve forth protrusions Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US5176481A - Expansion dowel with friction reducing coating US5176481A - Expansion dowel with friction reducing coating