Growing community of inventors

Elkhart, IN, United States of America

William B Leftwich

Average Co-Inventor Count = 1.50

ph-index = 6

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 = 91

William B LeftwichDavid Markel (2 patents)William B LeftwichTerry J McElmurry (2 patents)William B LeftwichH Coleman Davis (2 patents)William B LeftwichJeffrey P Few (1 patent)William B LeftwichDallis A Lindley (1 patent)William B LeftwichJohn R Coble (1 patent)William B LeftwichWilliam B Leftwich (8 patents)David MarkelDavid Markel (3 patents)Terry J McElmurryTerry J McElmurry (2 patents)H Coleman DavisH Coleman Davis (2 patents)Jeffrey P FewJeffrey P Few (46 patents)Dallis A LindleyDallis A Lindley (2 patents)John R CobleJohn R Coble (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Norco Industries, Inc. (2 from 135 patents)

2. Coachmen Industries, Inc. (2 from 32 patents)

3. Glaval Corporation (2 from 5 patents)

4. Other (1 from 832,912 patents)

5. Banks Corporation (1 from 1 patent)


8 patents:

1. 7419204 - Powered ramp door lift

2. 6474124 - Cold steel cambering apparatus and method

3. 5771815 - Collapsible table for motor vehicle

4. 5697662 - Seat support for a motor vehicle

5. 5348264 - Quick release seat pedestal

6. D347955 - Recreational vehicle pedestal riser

7. 4639953 - Rollover back sofa bed

8. 4625347 - Rollover back sofa-bed

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idiyas.com
as of
1/10/2026
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