PAUL R JOHNSON
Engineering in Milton, MA
License number
Massachusetts 1824
Expiration Date
Jun 30, 1988
Type
Structural Engineer
Address
Address
Milton, MA 02186
Professional information
Portable Half-Step Stairway Unit
US Patent:
D287283, Dec 16, 1986
Filed:
Sep 21, 1983
Appl. No.:
6/534338
Inventors:
Paul R. Johnson - Milton MA
US Classification:
D25 69