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USPTO Patent Rankings Data through Dec 31, 2025
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Robert D. Gruber — 7 Patents

IHInterlake Material Handling: 7 patents #2 of 6Top 35%
New Lenox, IL: #32 of 173 inventorsTop 20%
Illinois: #13,121 of 84,256 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Robert D. Gruber has been granted 7 US patents while listed as an inventor at Interlake Material Handling. The first was granted in 2000 and the most recent in March 2008. Robert D. Gruber ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Robert D. Gruber in New Lenox, IL, US.

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7337516 Method of converting to an offset base storage rack assembly Allen B. Kautz 2008-03-04
7124903 Offset base storage rack assembly Allen B. Kautz 2006-10-24
6718609 Method of converting storage rack assembly Allen B. Kautz 2004-04-13
6609620 Storage rack column protector Allen B. Kautz 2003-08-26
6557712 Offset base storage rack assembly Allen B. Kautz 2003-05-06
6241109 Load lock for rack Allen B. Kautz 2001-06-05
6105798 Rack with special mounting arrangement Allen B. Kautz 2000-08-22