Growing community of inventors

Middletown, OH, United States of America

Charles J Haas

Average Co-Inventor Count = 2.68

ph-index = 2

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 = 84

Charles J HaasJohn G Legler (2 patents)Charles J HaasRobert L Bartlett (2 patents)Charles J HaasMichael J Duwell (2 patents)Charles J HaasGarry W Woods (1 patent)Charles J HaasJohn Henry Stolzenberg (1 patent)Charles J HaasJohn O Clark (1 patent)Charles J HaasDale Timman (1 patent)Charles J HaasCharles J Haas (5 patents)John G LeglerJohn G Legler (15 patents)Robert L BartlettRobert L Bartlett (13 patents)Michael J DuwellMichael J Duwell (7 patents)Garry W WoodsGarry W Woods (4 patents)John Henry StolzenbergJohn Henry Stolzenberg (2 patents)John O ClarkJohn O Clark (1 patent)Dale TimmanDale Timman (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shopsmith, Inc. (5 from 35 patents)


5 patents:

1. 4658687 - Saw fence

2. D286538 - Support frame for a power tool

3. 4566510 - Workpiece support system for a power tool

4. D281431 - Headstock for a multipurpose woodworking tool

5. 4548246 - Headstock elevating apparatus

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as of
1/3/2026
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