Title: Mastic roofing
Patent number: 18,186
Date granted: 9/15/1857
View this patent at the USPTO.
Inventor: William Carver
Inventor: J. Beckley
Title: Mastic roofing
Patent number: 18,186
Date granted: 9/15/1857
View this patent at the USPTO.
Inventor: William Carver
Inventor: J. Beckley