DM

Douglas Arthur McDonald

📍 Currigee, OH: #1 of 1 inventorsTop 100%
Overall (All Time): #789,053 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
12420326 Punch and die assembly David Hancock 2025-09-23
10895072 Frame systems for building structures 2021-01-19
10151100 Frame systems for building structures 2018-12-11
5666872 Rotary foam cutter for tapering insulation Kevin McDonald, Jerold C. Gardner 1997-09-16
4662207 Hydraulically operated metal working tool 1987-05-05
4563923 Impact tool 1986-01-14