Adjustable compass with ruler and protractor

Details Adjustable compass with ruler and protractor Adjustable compass with ruler and protractor

1998-10-22

1999-07-13

Davis, Antoine Duval

Measuring, testing, or signalling instruments

Measuring, regulating or indicating instrument, or casing

Geometric

1004

Patent

active

D04119592

REFERENCES:
patent: D252615 (1979-08-01), Lopez
patent: 4267638 (1981-05-01), Heinz
One prior art compass which is currently on the market and made in England by Nes Arnold, Ltd., Ludlow Hill Road, West Bridgford, Nottingham NG2 6HD England.
Safe-T Products, Inc., brochure.

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