Device and method for marking ophthalmic lenses and molds
Device and process for paper feed in a plastic drawing and...
Device for centerless circle construction
Device for describing arcs
Device for drawing lines on a sized sheet of paper and...
Device for transferring film
Device for use in drafting, plotting, measuring and the like
Direct reading slide compass composed of molded parts
Dispenser
Dispenser with transfer head
Display system
Dividing apparatus
Dividing engine
Double sided dispenser
Drafting board and support structure therefor
Drafting board straight edge assembly
Drafting device
Drafting device
Drafting device
Drafting instrument