Inventor
HILLEGASS DONALD V
US7 patents
⚠️ This page may combine multiple inventors who share the name “HILLEGASS DONALD V”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MEDICAL ENG CORP
5 patentsUS4874360AOct 17, 1989
Ureteral stent system
MEDICAL ENG CORP157 citations97
US5133753AJul 28, 1992
Method for expanding a self-sealing tissue prosthesis
MEDICAL ENG CORP121 citations96
US5074878ADec 24, 1991
Tissue expander and method
MEDICAL ENG CORP153 citations96
US5066303ANov 19, 1991
Self-sealing tissue expander and method
MEDICAL ENG CORP80 citations94
US4817637AApr 4, 1989
Subcutaneous injection and withdrawal site
MEDICAL ENG CORP43 citations90