Home › Inventors › Frederick A. Mackey, Sr.

Frederick A. Mackey, Sr.

Pittsburgh, PA: #4,559 of 7,570 inventorsTop 65%

Pennsylvania: #43,221 of 74,527 inventorsTop 60%

Overall (All Time): #3,973,546 of 4,157,543Top 100%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4662732	Combination film and film supply and take-up system cover	—	1987-05-05