Inventor · disambiguated record
Frederick Rand Underwood, Jr.
Also filed as: UNDERWOOD JR FREDERICK RAND
3 granted patents·9 citations·filing 2011–2015
66Inventor score
Top patents by PatentIndex Score
3 records- 0179US10145489B2Adjustable fail-safe rotary spring operator with a retaining bandCONTROLS INT INC·Filed 2015·Granted Dec 4, 2018·2 cites·6 claims
- 0277US9151351B2Adjustable fail-safe rotary spring operator with a retaining bandUNDERWOOD JR FREDERICK RAND·Filed 2011·Granted Oct 6, 2015·5 cites·20 claims
- 0375US10228073B2Adjustable fail-safe rotary spring operator with a retaining bandCONTROLS INT INC·Filed 2015·Granted Mar 12, 2019·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →