Title: Founders flask
Patent number: 38,243
Date granted: 4/21/1863
View this patent at the USPTO.
Inventor: A. Robinson
Inventor: M. Donnelly
Inventor: D. Kruna
Title: Founders flask
Patent number: 38,243
Date granted: 4/21/1863
View this patent at the USPTO.
Inventor: A. Robinson
Inventor: M. Donnelly
Inventor: D. Kruna