David S. Marsh — 3 Patents at 3M

David S. Marsh — 3 Patents

RORohr: 2 patents #165 of 452Top 40%

3M: 2 patents #5,350 of 11,543Top 50%

Perris, CA: #17 of 94 inventorsTop 20%

California: #150,760 of 386,348 inventorsTop 40%

Overall (All Time): #1,328,092 of 4,157,543Top 35%

David S. Marsh has been granted 3 US patents while listed as an inventor at 3M. The first was granted in 1997 and the most recent in September 1998. David S. Marsh ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list David S. Marsh in Perris, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5807628	Method of repairing sound attenuation structure used for aircraft applications	Jason G. Mnich, Ralph T. Werley	1998-09-15	$17,454,000
D396430	Clip	—	1998-07-28
5653836	Method of repairing sound attenuation structure used for aircraft applications	Jason G. Mnich, Ralph T. Werley, Robert M. Bowman	1997-08-05

David S. Marsh — 3 Patents

Issued Patents All Time

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