JM

John T. McSpadden

OR Ormco: 5 patents #23 of 139Top 20%
Overall (All Time): #197,720 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8182265 Endodontic instrument with multi-tapered flutes 2012-05-22
7731498 Endododontic file with multi-tapered flutes 2010-06-08
7223100 Endodontic instrument having notched cutting surfaces G. Brock 2007-05-29
6966774 Endodontic instrument having notched cutting surfaces G. Brock 2005-11-22
6419488 Endodontic instrument having a chisel tip Tim L. Taylor 2002-07-16
6293794 Endodontic instrument having regressive conicity 2001-09-25
5980250 Endodontic instrument 1999-11-09
5938440 Endodontic instrument 1999-08-17
5902106 Endodontic dental instrument 1999-05-11
5882198 Endodontic instrument having enhanced compliance at the tip Tim L. Taylor 1999-03-16
5735689 Endodontic dental instrument 1998-04-07
5275562 Method and material for obturating an extirpated root canal 1994-01-04
5104316 Endodontic instrument 1992-04-14
5083923 Method of obturating an extirpated root canal 1992-01-28
5067900 Apparatus and method for applying gutta-percha to a carrier 1991-11-26
5035617 Endodontic instrument 1991-07-30
4904185 Dental instrument 1990-02-27
4605025 Powered dental flossing device 1986-08-12
4457710 Dental instrument 1984-07-03
4353698 Dental tool 1982-10-12
4332561 Dental file 1982-06-01
4299571 Dental file 1981-11-10