RD

Robert L. Doubler

OI Ortho Innovations: 19 patents #2 of 5Top 40%
SP Spinal: 14 patents #1 of 2Top 50%
HM Hammill Manufacturing: 7 patents #1 of 3Top 35%
ZS Zimmer Spine: 4 patents #53 of 192Top 30%
📍 Monroe, MI: #1 of 249 inventorsTop 1%
🗺 Michigan: #893 of 86,293 inventorsTop 2%
Overall (All Time): #52,679 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 26–50 of 51 patents

Patent #TitleCo-InventorsDate
7678136 Spinal fixation assembly John E. Hammill, Sr. 2010-03-16
7662174 Spinal plate with screw locks and cam locks John E. Hammill, Sr. 2010-02-16
7658582 Precise linear fastener system and method for use John E. Hammill, Sr. 2010-02-09
7491239 Interior insert ball and dual socket joint John E. Hammill, Sr., Robert Diaz 2009-02-17
7438715 Spinal implant kit John E. Hammill, Sr. 2008-10-21
D577439 Surgical nail John E. Hammill, Sr. 2008-09-23
7335201 Polyaxial bone screw with torqueless fastening John E. Hammill, Sr. 2008-02-26
D562979 Surgical nail screw John E. Hammill, Sr. 2008-02-26
7334961 Internally disposed linear fastener system John E. Hammill, Sr. 2008-02-26
7322984 Spinal plate with internal screw locks John E. Hammill, Sr. 2008-01-29
7195644 Ball and dual socket joint Robert Diaz, John E. Hamill 2007-03-27
7118303 Internally disposed linear fastener system John E. Hammill, Sr. 2006-10-10
7115144 Spinal implant Robert Diaz 2006-10-03
7105029 Skeletal fixation device with linear connection John E. Hammill, Sr. 2006-09-12
7090674 Bone fixation system with low profile fastener John E. Hammill, Sr. 2006-08-15
7083651 Spinal implant Robert Diaz 2006-08-01
7033399 Welded hip prosthesis John E. Hammill, Sr. 2006-04-25
6887242 Split ring bone screw for a spinal fixation system John E. Hammill, Sr. 2005-05-03
6692530 Split sleeve modular joint John E. Hammill, Sr. 2004-02-17
6623485 Split ring bone screw for a spinal fixation system John E. Hammill, Sr. 2003-09-23
6551323 Method of making a bonescrew John E. Hammill, Sr., Jeffrey I. Lasner 2003-04-22
6440171 Double D key locking prosthesis John E. Hammill, Sr. 2002-08-27
6375657 Bonescrew John E. Hammill, Sr., Jeffrey I. Lasner 2002-04-23
6355068 Sight gauge modular joint and method John E. Hammill, Sr. 2002-03-12
6299648 Locking hip prosthesis John E. Hammill, Sr. 2001-10-09