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Philip A. Macdonald

EL Exterior Wall Systems Limited: 26 patents #2 of 6Top 35%
Overall (All Time): #113,076 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
D823485 Panel stiffener for wall panel system Robert B. Macdonald, Alexander K. Williams, Jonathan W. Hoy 2018-07-17
D822471 Key for panel perimeter clips Robert B. Macdonald, Alexander K. Williams, Jonathan W. Hoy 2018-07-10
D744667 Panel attachment extrusion with key Robert B. Macdonald 2015-12-01
8745941 Method for installing wall panels to the exterior wall of a building Robert B. Macdonald 2014-06-10
D662805 Exterior wall panel attachment system Marco Santos 2012-07-03
8166716 Dry joint wall panel attachment system Robert B. Macdonald 2012-05-01
D619880 Exterior wall panel attachment component Robert B. Macdonald 2010-07-20