William B. Dragan — 76 Patents at Centrix

William B. Dragan has been granted 76 US patents while listed as an inventor at Centrix. The first was granted in 1980 and the most recent in December 2025. William B. Dragan ranks #24,882 of 4,157,543 US inventors in our database (top 0.60%). Patent records list William B. Dragan in Easton, CT, US.

Issued Patents All Time

Showing 1–25 of 76 patents

Patent #	Title	Co-Inventors	Date
12508368	Dental anesthetic buffering system	—	2025-12-30
9301915	Protective wax for bleached teeth	—	2016-04-05
8753613	Dental retraction material having enhanced fluid absorption	—	2014-06-17
8535056	Dental bite block	Cotsworth P. Fishburne, Jr.	2013-09-17
8470905	Gingival tissue retraction device and method	John J. Discko, Jr.	2013-06-25
D666722	Dental bite block	—	2012-09-04
8182264	Dental unilateral bite block	Cotsworth P. Fishburne, Jr.	2012-05-22
8118595	Conforming gingiva retraction compression cap and method of retracting tissue around a tooth	John J. Discko, Jr.	2012-02-21
D642267	Dental unilateral bite block	—	2011-07-26
7942669	Gingival tissue retraction device and method	John J. Discko, Jr.	2011-05-17
7882588	Disposable dental applicator	John J. Discko, Jr.	2011-02-08
7341452	Dental material container with porous flow through applicator	John J. Discko, Jr.	2008-03-11
7241143	Preloaded dental dam and method for gingival tissue retraction	John J. Discko, Jr.	2007-07-10
7195483	Method and device for the retraction and hemostasis of tissue during crown and bridge procedures	—	2007-03-27
7189075	Method and device for the retraction and hemostasis of tissue during crown and bridge procedures	—	2007-03-13
D527457	Dental material placement and applicator device	John J. Discko, Jr.	2006-08-29
6988892	Dental material container with porous flow through applicator	John J. Discko, Jr.	2006-01-24
6957958	Unit dose applicator with material chamber	Gordon Rowe	2005-10-25
6929475	Pre-dosed applicator and applicator system	—	2005-08-16
D504948	Dental material placement and applicator device	John J. Discko, Jr.	2005-05-10
6890177	Method and device for the retraction and hemostasis of tissue during crown and bridge procedures	—	2005-05-10
6877983	Dental capsule for placement of high viscosity dental composite material with reduce extrusion force	Gordon Rowe	2005-04-12
6869419	Unit dose low viscosity material dispensing system including syringe with breach	Gordon Rowe	2005-03-22
D500410	Disposable flocked applicator	—	2005-01-04
D496999	Dental material placement and applicator device	John J. Discko, Jr.	2004-10-05

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William B. Dragan — 76 Patents

Issued Patents All Time

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