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Randall Walker — 7 Patents

TOTolo: 3 patents #4 of 14Top 30%
Mill Valley, CA: #159 of 776 inventorsTop 25%
California: #83,669 of 386,348 inventorsTop 25%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Randall Walker has been granted 7 US patents while listed as an inventor at Tolo. The first was granted in 1980 and the most recent in May 1997. Randall Walker ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Randall Walker in Mill Valley, CA, US.

Patents per Year

Patents granted per year, 1980 to 1997Bar chart with a peak of 3 patents in 1996.peak 31980: 1 patents19801993: 1 patents19931996: 3 patents19961997: 2 patents1997

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5633053 Structural element with intermediate ribbing support James J. Lockshaw, Stephen Robert Kelly, John Kaiser 1997-05-27
5616376 Reticulated structural element James J. Lockshaw, Stephen Robert Kelly, John Kaiser 1997-04-01
5580622 Structural element with ribbing mechanically blocked against separation James J. Lockshaw, Stephen Robert Kelly, John Kaiser 1996-12-03
5508085 Structural elements made with cores of fiber-reinforced plastic James J. Lockshaw, Stephen Robert Kelly, Jr., John Kaiser 1996-04-16
5487930 Three structure structural element with interlocking ribbing James J. Lockshaw, Stephen Robert Kelly, John Kaiser 1996-01-30
5273806 Structural element with interlocking ribbing James J. Lockshaw, Stephen Robert Kelly, John Kaiser 1993-12-28
4212434 Theft deterrent toilet roll spindles — 1980-07-15

Frequent Collaborators

James J. Lockshaw6 shared
Stephen Robert Kelly6 shared
John Kaiser5 shared
Jr., John Kaiser1 shared

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