Inventor · disambiguated record
Marvin J. Halfen
Also filed as: HALFEN MARVIN · HALFEN MARVIN J
16 granted patents·1 pending application·23 citations·filing 2010–2025
89Inventor score
Top patents by PatentIndex Score
17 records- 0185US9642457B1Adjustable frame for hanging foldersSMEAD MFG CO·Filed 2015·Granted May 9, 2017·10 cites·15 claims
- 0281US10065446B1User selectable file tab system and methodSMEAD MFG CO·Filed 2016·Granted Sep 4, 2018·4 cites·17 claims
- 0374US9114597B1Protected prong file fastener and method of manufactureSMEAD MFG CO·Filed 2014·Granted Aug 25, 2015·1 cites·17 claims
- 0470US8747588B1Protected prong file fastener and method of makingLINDELOF HAROLD PETER·Filed 2011·Granted Jun 10, 2014·2 cites·12 claims
- 0568USD1090700SFile tabTHE SMEAD MFG COMPANY·Filed 2025·Granted Aug 26, 2025·0 cites·1 claims
- 0668USD1090699SFile tabTHE SMEAD MFG COMPANY·Filed 2025·Granted Aug 26, 2025·0 cites·1 claims
- 0768USD1090698SFile tabTHE SMEAD MFG COMPANY·Filed 2025·Granted Aug 26, 2025·0 cites·1 claims
- 0865US8746314B1Protected prong file fastener and method of manufactureLINDELOF HAROLD PETER·Filed 2011·Granted Jun 10, 2014·1 cites·8 claims
- 0961US8650784B2File folder and repositionable tabHALFEN MARVIN·Filed 2010·Granted Feb 18, 2014·2 cites·10 claims
- 1059US8414211B1Protected prong file fastenerLINDELOF HAROLD PETER·Filed 2011·Granted Apr 9, 2013·1 cites·5 claims
- 1158US8176822B1Hole punch and compressor with alignment memberHALFEN MARVIN J·Filed 2010·Granted May 15, 2012·2 cites·6 claims
- 1247US9839937B1Method of making a powder coated protected prong file fastenerSMEAD MFG CO·Filed 2014·Granted Dec 12, 2017·0 cites·7 claims
- 1345US9994065B2Adjustable frame for hanging foldersSMEAD MFG CO·Filed 2017·Granted Jun 12, 2018·0 cites·8 claims
- 1443US2021114399A1Independently positionable tab systemSMEAD MFG CO·Filed 2020·Application pending·0 cites
- 1542US8678061B1Apparatus and method of attaching a file fastener to a backboardHALFEN MARVIN J·Filed 2012·Granted Mar 25, 2014·0 cites·14 claims
- 1640USD1091696SFile tabTHE SMEAD MFG COMPANY·Filed 2021·Granted Sep 2, 2025·0 cites·1 claims
- 1724USD691199SFiling boxHALFEN MARVIN·Filed 2012·Granted Oct 8, 2013·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →