Title: Lubricator
Patent number: 138,169
Date granted: 4/22/1873
View this patent at the USPTO.
Inventor: Frederick Lunkenheimer
Inventor: James Meehan
Title: Lubricator
Patent number: 138,169
Date granted: 4/22/1873
View this patent at the USPTO.
Inventor: Frederick Lunkenheimer
Inventor: James Meehan