Inventor · Loveland, OH, US

John R. Bittner

12Patents
11h-index
17Co-inventors
69Inventor score

Filing activity: Dec 11, 1973 → Jan 24, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US5673842A Surgical stapler with locking mechanism Human Necessities 2,388 Expired
US5878938A Surgical stapler with improved locking mechanism Human Necessities 2,255 Expired
US6102271A Circular stapler for hemorrhoidal surgery Human Necessities 2,153 Expired
US5919198A Disposable cartridge with drivers Human Necessities 2,139 Expired
US6193129A Cutting blade for a surgical anastomosis stapling instrument Human Necessities 2,116 Expired
US5931847A Surgical cutting instrument with improved cutting edge Human Necessities 2,090 Expired
US6142933A Anoscope for hemorrhoidal surgery Human Necessities 1,492 Expired
US6083241A Method of use of a circular stapler for hemorrhoidal procedure Human Necessities 455 Expired
US4543002A Multicolor printing Performing Operations; Transporting 18 Expired
US3939957A Carriage operated ribbon drive and reverse mechanism Performing Operations; Transporting 16 Expired
US4504051A Continuous forms refolder for high speed printers Performing Operations; Transporting 13 Expired
US3981383A Right hand margin control system Performing Operations; Transporting 5 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.