Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Printhead assembly for typewriters or the like

Printhead assembly for typewriters or the like

US Patent 4329075 · Granted May 11, 1982

Estimated economic value: $15,203,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Photoconductor unit2010
Measuring toner level in a closed container2003
Measuring toner level in a closed container2003
Conveyor and waste toner reservoir for an image-forming apparatus2002
Control of photosensitive roller movement1999
Method and apparatus for storing data in a non-volatile memory circuit mounted o1999
Method and apparatus for storing data in a non-volatile memory circuit mounted o1999
Compliant doctor blade surface having molybdenum disulfide1998
Reduced component toner cartridge1994
Toner cartridge with independent driven systems1994
Electrophotographic printer and cartridge arrangement1992
Toner metering apparatus with pressure equalization1992