CR

Charles D. Ray

RA Raymedica: 9 patents #1 of 14Top 8%
SD Surgical Dynamics: 6 patents #1 of 36Top 3%
CS Cedar Surgical: 5 patents #1 of 3Top 35%
ME Medtronic: 2 patents #3,096 of 6,325Top 50%
SL Sunbeam Corporation Limited: 1 patents #87 of 170Top 55%
MA Maxtor: 1 patents #329 of 656Top 55%
EX ExxonMobil: 1 patents #5,661 of 10,161Top 60%
HO Howmedica Osteonics: 1 patents #381 of 595Top 65%
📍 Orr, MN: #2 of 94 inventorsTop 3%
🗺 Minnesota: #1,226 of 52,454 inventorsTop 3%
Overall (All Time): #76,959 of 4,157,543Top 2%
41
Patents All Time

Issued Patents All Time

Showing 26–41 of 41 patents

Patent #TitleCo-InventorsDate
4961740 V-thread fusion cage and method of fusing a bone joint Eugene A. Dickhudt 1990-10-09
4944744 Bone impactors 1990-07-31
4904260 Prosthetic disc containing therapeutic material Terry P. Corbin 1990-02-27
4824089 Retractable buttocks support for operations in the prone sitting position Eugene A. Dickhudt 1989-04-25
4805599 Framework for supporting surgical instruments at a surgical wound 1989-02-21
4800875 Surgical funnel and method of using 1989-01-31
4772287 Prosthetic disc and method of implanting Terry P. Corbin 1988-09-20
4757983 Head and chin for face-down operations Eugene A. Dickhudt 1988-07-19
4738248 Surgical retractors 1988-04-19
4726121 Surgical caliper Matthew L. Meyer 1988-02-23
4662619 Kneeling attachment for operations in the prone sitting position Richard G. Steller 1987-05-05
4657002 Bone impactors 1987-04-14
4610243 Malleable force-fulcrum retractor 1986-09-09
4328813 Brain lead anchoring system 1982-05-11
4323990 Seismic exploration system James W. Goode, Wayne A. Penner, Robert G. Nelson 1982-04-06
4276882 Lead anchoring device Eugene A. Dickhudt 1981-07-07