Patent ID: 11949367
Assignee: THE R&D LAB COMPANY
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  E  Y | IPC H

Claim 18:
19. A roofing system for attaching a solar module array onto a metal shingled roof, comprising:
a plurality of metal shingles, wherein each metal shingle comprises:
a rectangular body,
a nail strip running along a top edge of the rectangular body,
an overlapping side edge extending down a left side of the rectangular body,
an overlapping side edge extending down a right side of the rectangular body,
overlapping raised portions adjacent to each of the overlapping side edges, and
indicia marks on the rectangular body, wherein the indicia marks provide alignment between rows of shingles in both side-to-side and up-and-down directions, and

wherein each metal shingle is symmetrical in a left-to-right direction, and is symmetrical about a central plane perpendicular to a roof on which the metal shingle is mounted.