DL

Douglas B. Laird

AR Ardco: 2 patents #10 of 30Top 35%
Overall (All Time): #2,310,533 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5161289 Header machine James W. Adams, Steven R. Cole, William D. Daggett, Larry Newsom, Sr., John R. Strickland +2 more 1992-11-10
5129246 Tubing expander John T. Strickland 1992-07-14