Inventor
GRESL JR CHARLES
US9 patents
⚠️ This page may combine multiple inventors who share the name “GRESL JR CHARLES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ORIGIN MEDSYSTEMS INC
7 patentsUS5895353AApr 20, 1999
Vessel isolating retractor cannula and method
ORIGIN MEDSYSTEMS INC97 citations98
US5267970ADec 7, 1993
Device for anchoring trocar sleeve
ORIGIN MEDSYSTEMS INC164 citations98
US5681341AOct 28, 1997
Flexible lifting apparatus
ORIGIN MEDSYSTEMS INC1,167 citations97
US5993384ANov 30, 1999
Vessel isolating retractor cannula and method
ORIGIN MEDSYSTEMS INC70 citations96
US5318580AJun 7, 1994
Retractable trocar
ORIGIN MEDSYSTEMS INC93 citations95
US5513291AApr 30, 1996
Light source modifications for plastic light fibre compatibility
ORIGIN MEDSYSTEMS INC22 citations92
US5827314AOct 27, 1998
Flexible lifting apparatus
ORIGIN MEDSYSTEMS INC8 citations72