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US Patent: 1,420,976
Lumber-joining machine
Patentees: Anthony Vanderveld (exact or similar names) - Grand Rapids, MI Glenn H. Dickerson (exact or similar names) - Grand Rapids, MI USPTO Classifications: 144/3.1, 144/89 Tool Categories: woodworking machines : joint making machines : dovetailing machines Assignees: Dickerson Glue Jointer Co. - Grand Rapids, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Nov. 02, 1920 Granted: Jun. 27, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Improvements to patents 1,264,026 and 1,318,851. This is an especially hefty patent specification—51 pages.

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