Growing community of inventors

Cannon Falls, MN, United States of America

Howard J Fredrickson

Average Co-Inventor Count = 1.14

ph-index = 8

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 = 253

Howard J FredricksonJames E Kovacs (1 patent)Howard J FredricksonMark H Sickman (1 patent)Howard J FredricksonClem B Finstad (1 patent)Howard J FredricksonLeslie M Nordquist (1 patent)Howard J FredricksonHoward J Fredrickson (10 patents)James E KovacsJames E Kovacs (5 patents)Mark H SickmanMark H Sickman (3 patents)Clem B FinstadClem B Finstad (1 patent)Leslie M NordquistLeslie M Nordquist (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Cannon Equipment Company (4 from 21 patents)

2. Cornelius Cannon, Inc. (3 from 3 patents)

3. Other (1 from 832,812 patents)

4. Imi Cornelius, Inc. (1 from 117 patents)


10 patents:

1. 5862923 - Self-facing shelf slide

2. D352222 - Security unit for attachment to the end of merchandise display hooks

3. 5259220 - Security device for merchandise display hooks

4. 5114021 - Self feeding display peg

5. 4943040 - Adjustable work stand

6. 4936565 - Display device

7. 4627542 - Display apparatus having a mechanism for tilting shelves

8. 4606466 - Pegbar display device having a carrier for graphic identification

9. 4562927 - Display rack

10. 4371085 - Display rack

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as of
12/20/2025
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