Growing community of inventors

Sterling, IL, United States of America

John F Wahl

Average Co-Inventor Count = 1.18

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 = 261

John F WahlKeith W Dirks (1 patent)John F WahlGregory S Wahl (1 patent)John F WahlKenneth M Hattori (1 patent)John F WahlWilliam M Walton (1 patent)John F WahlSteven Gatz (1 patent)John F WahlJohn F Wahl (14 patents)Keith W DirksKeith W Dirks (20 patents)Gregory S WahlGregory S Wahl (18 patents)Kenneth M HattoriKenneth M Hattori (15 patents)William M WaltonWilliam M Walton (3 patents)Steven GatzSteven Gatz (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Wahl Clipper Corporation (11 from 321 patents)

2. Mallard Manufacturing Corporation (3 from 4 patents)


14 patents:

1. D374504 - Wet/dry shaver

2. 5426811 - Method and appartus for cleaning hair clipper blades

3. 5131148 - Electric shaver with flexible cutter holder

4. D313484 - Curling iron

5. D309833 - Extension mirror

6. 4856888 - Adjustable telescoping mirrors

7. D302743 - Hair clipper

8. 4724614 - Blade attachments for electric beard trimmers

9. 4286262 - Electronic transmitter device

10. 4054195 - Roller conveyor

11. D243537 - Electronic transmitter device for use in the opening or closing of

12. 4006739 - Back massager

13. 3984655 - Terminal members of an electric tool for receiving detachable tips

14. 3939850 - Hair comb and dryer device

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as of
1/6/2026
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