Growing community of inventors

Cedar Valley, Canada

Michael N Hetherington

Average Co-Inventor Count = 3.00

ph-index = 1

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 = 48

Michael N HetheringtonAllan D Millman (1 patent)Michael N HetheringtonDavid P Garner (1 patent)Michael N HetheringtonMichael N Hetherington (1 patent)Allan D MillmanAllan D Millman (4 patents)David P GarnerDavid P Garner (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Iona Appliances Inc./appareils Iona Inc. (1 from 4 patents)


1 patent:

1. 4776058 - Surface cleaning apparatus

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12/18/2025
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