Growing community of inventors

Oregon, WI, United States of America

Ervin L Severson

Average Co-Inventor Count = 2.00

ph-index = 5

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 = 187

Ervin L SeversonJoseph V Graber (2 patents)Ervin L SeversonGiancarlo Piretti (1 patent)Ervin L SeversonKenneth J Hannes (1 patent)Ervin L SeversonChristopher S Fortune (1 patent)Ervin L SeversonErvin L Severson (5 patents)Joseph V GraberJoseph V Graber (13 patents)Giancarlo PirettiGiancarlo Piretti (106 patents)Kenneth J HannesKenneth J Hannes (2 patents)Christopher S FortuneChristopher S Fortune (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Graber Products, Inc. (5 from 33 patents)


5 patents:

1. 5195670 - Bicycle rack with adjustable pin locking

2. 5135145 - Mountain bike rack

3. 5085360 - Spare tire mounted bicycle rack

4. 4848112 - Lockable rotary attachment device

5. 4702401 - Bicycle support device

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