Inventor · Dover, WI, US

Chad E. Ryshkus

14Patents
11h-index
8Co-inventors
61Inventor score

Filing activity: Feb 24, 2003 → Mar 19, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US7811292B2 Surgical instrument for implants Human Necessities 31 Expired
USD658286S1 Double ended retractor General 30 Expired
USD523724S1 Rotatable tool handle General 29 Expired
USD658285S1 Femoral neck elevator General 22 Expired
USD658287S1 Inferior acetabular/piriformis retractor General 20 Expired
US7247169B1 Kit of spine gauge blocks and a tool assembly Human Necessities 19 Expired
USD658288S1 Anterior retractor General 17 Expired
USD658290S1 Posterior retractor General 15 Expired
USD658289S1 Secondary anterior retractor General 13 Expired
US6799480B1 Screwdriver with torque measuring scale and method of making same Performing Operations; Transporting 12 Expired
USD706924S1 Superior acetabular retractor General 11 Active
USD522836S1 Rotatable tool handle General 7 Expired
US7055415B1 Screwdriver assembly and method with torque measuring scale Performing Operations; Transporting 4 Expired
US9622734B2 Retractor tools for minimally invasive hip surgery Human Necessities 2 Active

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