DAVID C COPELAND
Land Surveyors in Medford, NJ
License number
Pennsylvania SU023672E
Category
Engineers
Type
Professional Land Surveyor
Address
Address
2
Medford, NJ 08055
Pennsylvania
Pennsylvania
Professional information
Plumbing Apparatus
US Patent:
4532718, Aug 6, 1985
Filed:
Dec 30, 1983
Appl. No.:
6/567337
Inventors:
David C. Copeland - Medford NJ
International Classification:
G01C 936
US Classification:
33390
Abstract:
A plumbing apparatus including a circular spirit level attached to a straight edge body adapted to carry a reference point vertically wherein the level is large enough to span a hole in the floor with marking guides on the periphery to fix lines that pass through a central axis of the level with a rod attached to the level extending through the hole to align with a reference point with a template spanning a second hole to define the reference point.