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USPTO Patent Rankings Data through Dec 31, 2025
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Robert E. Matthiessen — 6 Patents

INIntest: 6 patents #4 of 34Top 15%
Cherry Hill, NJ: #128 of 765 inventorsTop 20%
New Jersey: #14,312 of 69,400 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Robert E. Matthiessen has been granted 6 US patents while listed as an inventor at Intest. The first was granted in 1987 and the most recent in December 2010. Robert E. Matthiessen ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Robert E. Matthiessen in Cherry Hill, NJ, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7845607 Safety mechanism for materials handling system Christopher L. West 2010-12-07 $587,000
5900737 Method and apparatus for automated docking of a test head to a device handler Daniel J. Graham, Alyn R. Holt, I. Marvin Weilerstein, Christopher L. West 1999-05-04 $1,164,000
5600258 Method and apparatus for automated docking of a test head to a device handler Daniel J. Graham, Alyn R. Holt, I. Marvin Weilerstein, Christopher L. West 1997-02-04
5440943 Electronic test head manipulator Alyn R. Holt, Christopher L. West 1995-08-15
5030869 Device testing system with cable pivot Alyn R. Holt 1991-07-09
4715574 Safety lock for materials handling system Alyn R. Holt 1987-12-29