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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JM

John A. Marstiller — 6 Patents

FLFlexwatt: 6 patents #2 of 7Top 30%
Mashpee, MA: #27 of 176 inventorsTop 20%
Massachusetts: #20,532 of 88,656 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John A. Marstiller has been granted 6 US patents while listed as an inventor at Flexwatt. The first was granted in 1988 and the most recent in October 1992. John A. Marstiller ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John A. Marstiller in Mashpee, MA, US.

Patents per Year

Patents granted per year, 1988 to 1992Bar chart with a peak of 2 patents in 1991.peak 21988: 1 patents19881989: 1 patents19891990: 1 patents19901991: 2 patents19911992: 1 patents1992

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5155334 Mirror heater Frederick G. J. Grise 1992-10-13
5038018 Electrical heating Frederick G. J. Grise, Paul H. Bodensiek, Lawrence J. Morgan, Demetrius Maikantis 1991-08-06 $290,000
5019797 Electrical resistance device Paul H. Bodensiek, Frederick G. J. Grise 1991-05-28 $251,000
4892998 Semi-conductive electrical heating device with voids Paul H. Bodensiek, Frederick G. J. Grise 1990-01-09 $208,000
4888089 Process of making an electrical resistance device Paul H. Bodensiek, Frederick G. J. Grise 1989-12-19 $199,000
4783578 Multi-conductor cables Paul H. Bodensiek, Frederick G. J. Grise 1988-11-08 $314,000