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Thomas J. de Groot — 3 Patents

BEBenthos: 3 patents #3 of 21Top 15%

Fairhaven, MA: #32 of 87 inventorsTop 40%

Massachusetts: #33,867 of 88,656 inventorsTop 40%

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

3 Patents All Time

Thomas J. de Groot has been granted 3 US patents while listed as an inventor at Benthos. The first was granted in 1997 and the most recent in November 2001. Thomas J. de Groot ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Thomas J. de Groot in Fairhaven, MA, US.

Patents per Year

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
6318497	Pressure-sensitive switch, its method of calibration and use in a hydrophone array	Glen Ferguson, William H. Hulsman, Robert Claude Prescott, Richard D. Smith	2001-11-20	$82,000
5789844	Acoustic transducer	—	1998-08-04	$181,000
5646470	Acoustic transducer	—	1997-07-08	$239,000

Thomas J. de Groot — 3 Patents

Patents per Year

Issued Patents All Time

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