Roy A. Fredrickson

MC Mac Engineering And Equipment Company: 4 patents #1 of 10Top 10%

📍 Farmington Hills, MI: #510 of 2,032 inventorsTop 30%

🗺 Michigan: #22,048 of 86,293 inventorsTop 30%

Overall (All Time): #1,224,774 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
10388942	Battery grid pasting machine	—	2019-08-20
8375997	Pasting apparatus and method	—	2013-02-19
8272408	Pasting apparatus and method	—	2012-09-25
4878521	Apparatus for parting and pasting battery plate grids	—	1989-11-07