Home| FAQ	Search:Advanced|Person|Company| Type|Class	Login

Quick search:	Patent number:	Patent Date:

US Patent: 2,969,846
Percussive drill bit for use in reverse flow flushing is soft rock drilling
Patentee: Robert L. Sandvig (exact or similar names) - Whittier, CA USPTO Classifications: 175/213, 175/418, 175/419, 175/426 Tool Categories: Assignees: Thor Power Tool Co. - Aurora, IL Manufacturer: Thor Power Tool Co. - Aurora, IL Witnesses: Unknown	Patent Dates: Applied: Dec. 16, 1958 Granted: Jan. 31, 1961 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Thor Power Tool Co.

Copyright © 2002-2024 - DATAMP