Growing community of inventors

East Bentleigh, Australia

Joseph C Hollis

Average Co-Inventor Count = 1.33

ph-index = 10

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 = 347

Joseph C HollisDavid J Marshall (5 patents)Joseph C HollisJoseph C Hollis (10 patents)David J MarshallDavid J Marshall (21 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Spotless Plastics Pty. Ltd (8 from 149 patents)

2. Plasti-form Enterprises, Inc. (2 from 12 patents)


10 patents:

1. 5884422 - Indicator and garment hanger

2. 5628132 - Indicator and garment hanger

3. 5400932 - Clip for garment hanger

4. 5388354 - Indicators for garment hangers

5. 5350092 - Garment hanger and clip

6. D341947 - Indicator for garment hangers

7. 5212854 - Clip for garment hanger

8. D332180 - Combined hanger hook and indicator

9. D325822 - Hanger for knitwear or the like

10. 5071045 - Plastic garment hanger with angled shoulder portion

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idiyas.com
as of
12/12/2025
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