Title: Lubricating cup
Patent number: D6,545
Date granted: 4/01/1873
View this patent at the USPTO.
Inventor: Frederick Limkenheimer
Inventor: James Meehan
Title: Lubricating cup
Patent number: D6,545
Date granted: 4/01/1873
View this patent at the USPTO.
Inventor: Frederick Limkenheimer
Inventor: James Meehan