HF

Harrison L. Freeman

IBM: 3 patents #26,272 of 70,183Top 40%
📍 Kasson, MN: #17 of 58 inventorsTop 30%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,629,773 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6108285 Directory structure for worm optical media Thomas Marshall Hoag, Richard G. Mustain 2000-08-22
5491807 System and method for worm volume management of new and updated data files using variable threshold block addresses William Jaaskelainen, Jr., Richard G. Mustain, Larry D. Shumway 1996-02-13
5129076 Optical disk library control system providing an enhanced initialization technique Richard G. Mustain, Carol A. Peters, Thomas Marshall Hoag 1992-07-07