David G. Ozinga — 8 Patents at Refocus Group

David G. Ozinga has been granted 8 US patents while listed as an inventor at Refocus Group. The first was granted in 1996 and the most recent in February 2023. David G. Ozinga ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list David G. Ozinga in Flower Mound, TX, US.

Patents per Year

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date
11571333	Apparatus and method for securing ocular tissue and providing surgical tool positioning points	—	2023-02-07
10806631	Surgical tool for forming incisions in ocular tissue with tip providing visibility and related apparatus and method	David J. Schanzlin	2020-10-20
10744031	Apparatus and method for securing ocular tissue	Jack C. Griffis, III	2020-08-18
9592152	Apparatus and method for securing ocular tissue	Jack C. Griffis, III	2017-03-14
8945166	Apparatus and method for forming incisions in ocular tissue	Karl H. Beitzel	2015-02-03
8597318	Apparatus and method for forming incisions in ocular tissue	Karl H. Beitzel	2013-12-03
6110410	Method of making a disposable cassette with negative head height fluid supply	Dana J. Owens, Aaron Raines, Ed G. Rasmussen, David J. Harrison, Carl R. Anderson	2000-08-29
5554013	Disposable cassette with negative head height fluid supply	Dana J. Owens, Aaron Raines, Ed G. Rasmussen, David J. Harrison, Carl R. Anderson	1996-09-10