RB

Roger L. Bredeweg

LE Leco: 10 patents #5 of 94Top 6%
📍 Stevensville, MI: #69 of 246 inventorsTop 30%
🗺 Michigan: #9,426 of 86,293 inventorsTop 15%
Overall (All Time): #528,858 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
4622009 Carbon, hydrogen, and nitrogen analyzer 1986-11-11
4573910 Carbon, hydrogen, and nitrogen analyzer 1986-03-04
4525328 Carbon, hydrogen, and nitrogen analyzer 1985-06-25
4419754 Furnace electrode George J. Sitek 1983-12-06
4371971 Sample loading mechanism 1983-02-01
4328386 Crucible assembly 1982-05-04
4290296 Method and apparatus for gas dosing for linearization George J. Sitek 1981-09-22
4282183 Combustion system Larry S. O'Brien, Charles B. Vallance 1981-08-04
4238450 Crucible loading-unloading system Edward P. Povilaitis, Ramsey G. Reed 1980-12-09
4234541 Combustion chamber cleaning apparatus George J. Sitek 1980-11-18