JH

Jess W. Hayes

🗺 Virginia: #7,477 of 34,511 inventorsTop 25%
Overall (All Time): #1,308,532 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4453318 Apparatus for producing perspective drawings — 1984-06-12
4445280 Brake for drafting parallel — 1984-05-01
4398800 Magnifying device for a hand-held implement — 1983-08-16
4316330 Magnifying device for use with a triangular rule — 1982-02-23