DW

Donald R. Walker

FI Figgie Inernational: 7 patents #4 of 147Top 3%
SI Southwest Recreational Industries: 1 patents #2 of 10Top 20%
📍 Rolla, MO: #47 of 363 inventorsTop 15%
🗺 Missouri: #2,677 of 23,789 inventorsTop 15%
Overall (All Time): #669,307 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
5456566 System and method for transporting gymnasium floor covering John C. Kniley 1995-10-10
5337417 Rib protector Dennis K. Whiteside, Norma L. Denney 1994-08-16
4715066 Shoulder pad Hal D. Mitchell 1987-12-29
4680814 Shoulder pad spring arch system Hal D. Mitchell 1987-07-21
4679253 Shoulder pad truss arch system Hal D. Mitchell 1987-07-14
4558470 Shock attenuation system Hal D. Mitchell, Richard Glover, Isadore Rosenberg 1985-12-17
4534068 Shock attenuation system Hal D. Mitchell, Richard Glover, Isadore Rosenberg 1985-08-13
4435851 Flap hinge for a shoulder pad Hal D. Mitchell 1984-03-13