Patent ID: 7998549

Claim:
A method of forming an assembly comprising a first workpiece having a surface provided with a mortise and a second workpiece provided with a tenon inserted into said mortise in joining said workpieces together in which said second workpiece is disposed in a certain orientation relative to said first workpiece to provide a certain disposition of said workpieces when joined together, comprising; providing identifying marks on said surface of said first workpiece and said tenon of said second workpiece at locations assuming a certain disposition when said second workpiece is disposed in said certain orientation and said tenon is registered with said mortise; positioning said second workpiece relative to said first workpiece wherein said second workpiece is disposed in said certain orientation relative to said first workpiece, said tenon is registered with said mortise and said marks are disposed in said certain mark disposition; and displacing said second workpiece toward said first workpiece and inserting said tenon into said mortise.