Inventor · disambiguated record
Jeffrey T. Bertka
Also filed as: BERTKA JEFFREY T
4 granted patents·61 citations·filing 1994–1997
79Inventor score
Technology areasA63B
Files withFROELICH SR THOMAS E4
Top patents by PatentIndex Score
4 records- 0154US5634871AAdjustable rotating resistance exerciserFROELICH SR THOMAS E·Filed 1996·Granted Jun 3, 1997·20 cites·5 claims
- 0245US5709630AAdjustable rotating resistance exerciser disposed on a flexible memberFROELICH SR THOMAS E·Filed 1997·Granted Jan 20, 1998·14 cites·8 claims
- 0342US5749816AFloor mountable and adjustable rotating resistance exerciserFROELICH SR THOMAS E·Filed 1997·Granted May 12, 1998·12 cites·8 claims
- 0440US5487709AAdjustable rotating resistance exerciserFROELICH SR THOMAS E·Filed 1994·Granted Jan 30, 1996·15 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →