JS

John O. Schaefer

IBM: 6 patents #16,453 of 70,183Top 25%
LI Lexmark International: 1 patents #1,041 of 1,615Top 65%
📍 Lexington, KY: #432 of 2,526 inventorsTop 20%
🗺 Kentucky: #1,639 of 11,577 inventorsTop 15%
Overall (All Time): #767,325 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5268726 Electrophotographic reproduction apparatus having improved fuser to prevent wrinkling of envelopes using intermittent pressure Stephen Alexander Oleksa, Larry J. Rice 1993-12-07
4475830 Spliceless ribbon structure having leader and trailer and method of manufacture therefor 1984-10-09
4353657 Ribbon feed mechanism and correction tape feed mechanism for a typewriter 1982-10-12
4350453 Cartridge for correction media or tacky tape with a wrap spring Thomas R. Field, Peter F. Jagodzinski, James F. King 1982-09-21
4347007 Typewriter cartridge and feed mechanism therefor 1982-08-31
4302118 Typewriter cartridge and feed mechanism therefor 1981-11-24
4229112 Random stuffer ribbon cartridge with improved ribbon exit control 1980-10-21