Precision scriber for tubular workpieces

Press plate positioning apparatus for automatic drawing machine

Professional compass rulers

Profile system for walls and bracket therefor

Progressive plotter with unidirectional paper movement

Progressive plotter with unidirectional paper movement

Protected pivot adjustable scaled compasses

Protective member for compass pins

Protractor and ruler combination

Quilting tool for making the location of stitches along a seam

Radei--a beam compass

Reciprocating drafting pen

Record grooving device

Reproportioning graphical pantograph

Retractable point compass

Retractable safety mechanism and compass and method of using...

Reverse image drawing apparatus

Rip guide for tools

Rotary circle template

Rotating body tracing control apparatus