4 Utility Patents
#5 in Miltona, MN
#14,640 in Minnesota
#477,635 in US
Forward Citations = 9
Company Filing History:


Douglas Machine Limited Liability Company
where one patent can have more than one assignee
Get your Inventor Badge Today
#5 in Miltona, MN
#14,640 in Minnesota
#477,635 in US
Company Filing History:


Get your Inventor Badge Today