Title: Sewer trap and catch basin
Patent number: 122,209
Date granted: 12/26/1871
View this patent at the USPTO.
Inventor: Alfred Ashman
Inventor: Alfred Newell
Title: Sewer trap and catch basin
Patent number: 122,209
Date granted: 12/26/1871
View this patent at the USPTO.
Inventor: Alfred Ashman
Inventor: Alfred Newell