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Matthew J. Holwerda — 4 Patents

CECascade Engineering: 4 patents #5 of 69Top 8%
Hudsonville, MI: #80 of 300 inventorsTop 30%
Michigan: #22,248 of 86,293 inventorsTop 30%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Matthew J. Holwerda has been granted 4 US patents while listed as an inventor at Cascade Engineering. The first was granted in 1992 and the most recent in September 1996. Matthew J. Holwerda ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Matthew J. Holwerda in Hudsonville, MI, US.

Patents per Year

Patents granted per year, 1992 to 1996Bar chart with a peak of 2 patents in 1996.peak 21992: 1 patents19921993: 1 patents19931996: 2 patents1996

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5557078 Acoustical barrier — 1996-09-17
5483028 Acoustical barrier with decoupler — 1996-01-09
5243153 Acoustical barrier with acoustical seal — 1993-09-07
5162092 Gas-assisted injection molding with a carpet layer Keith P. Klobucar, Laurie A. Weeks, S. Noland Broaddus 1992-11-10

Frequent Collaborators

S. Noland Broaddus1 shared
Keith P. Klobucar1 shared
Laurie A. Weeks1 shared

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