Growing community of inventors

Hastings, MN, United States of America

Marvin J Halfen

Average Co-Inventor Count = 2.40

ph-index = 2

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 19

Marvin J HalfenDavid J Gilbertson (6 patents)Marvin J HalfenHarold Peter Lindelof (5 patents)Marvin J HalfenRobert Scudder (3 patents)Marvin J HalfenMichael Goodson (3 patents)Marvin J HalfenMichael Hacker (3 patents)Marvin J HalfenDaniel Darst (2 patents)Marvin J HalfenDan Johnson (2 patents)Marvin J HalfenTony Kramer (2 patents)Marvin J HalfenDaniel Seleski (1 patent)Marvin J HalfenAnthony Lee Kramer (1 patent)Marvin J HalfenDennis Bowen (1 patent)Marvin J HalfenMarvin J Halfen (12 patents)David J GilbertsonDavid J Gilbertson (12 patents)Harold Peter LindelofHarold Peter Lindelof (9 patents)Robert ScudderRobert Scudder (3 patents)Michael GoodsonMichael Goodson (3 patents)Michael HackerMichael Hacker (3 patents)Daniel DarstDaniel Darst (31 patents)Dan JohnsonDan Johnson (5 patents)Tony KramerTony Kramer (2 patents)Daniel SeleskiDaniel Seleski (10 patents)Anthony Lee KramerAnthony Lee Kramer (8 patents)Dennis BowenDennis Bowen (4 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Smead Manufacturing Company (12 from 80 patents)


12 patents:

1. 10065446 - User selectable file tab system and method

2. 9994065 - Adjustable frame for hanging folders

3. 9839937 - Method of making a powder coated protected prong file fastener

4. 9642457 - Adjustable frame for hanging folders

5. 9114597 - Protected prong file fastener and method of manufacture

6. 8747588 - Protected prong file fastener and method of making

7. 8746314 - Protected prong file fastener and method of manufacture

8. 8678061 - Apparatus and method of attaching a file fastener to a backboard

9. 8650784 - File folder and repositionable tab

10. D691199 - Filing box

11. 8414211 - Protected prong file fastener

12. 8176822 - Hole punch and compressor with alignment member

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as of
12/7/2025
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