JM

John D. McCollum

S( Standard Oil Company (Indiana): 5 patents #48 of 576Top 9%
TO The Standard Oil: 1 patents #291 of 601Top 50%
📍 Naperville, IL: #551 of 3,051 inventorsTop 20%
🗺 Illinois: #13,022 of 84,256 inventorsTop 20%
Overall (All Time): #762,705 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6128542 Method and apparatus for generating a sequence of steps for use by a factory Paul R. Kristoff, David P. Nunn, Christopher Winemiller, Dennis L. Draheim, Judith S. Hirsch +2 more 2000-10-03
4668380 Method for treating shale William F. Wolff 1987-05-26
4584088 Method for treating shale William F. Wolff 1986-04-22
4266608 Method for detecting underground conditions 1981-05-12
4210867 Induction coil method for detecting underground flame fronts Irwin Ginsburgh 1980-07-01
4210868 Method for detecting an underground flame front using resistance probes Irwin Ginsburgh 1980-07-01
4199026 Method for detecting underground conditions 1980-04-22