Growing community of inventors

Churchill Borough, PA, United States of America

Lester J Hoffman

Average Co-Inventor Count = 2.67

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 = 15

Lester J Hoffman ↔ Richard D Roberts (2 patents)Lester J Hoffman ↔ James H Franz, Jr (1 patent)Lester J Hoffman ↔ Lalan G Miller (1 patent)Lester J HoffmanLester J Hoffman (2 patents)Richard D RobertsRichard D Roberts (3 patents)James H Franz, JrJames H Franz, Jr (16 patents)Lalan G MillerLalan G Miller (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Westinghouse Electric Corporation (2 from 8,033 patents)


2 patents:

1. 4516059 - Motor control chopper apparatus phase angle limiting

2. 4392091 - Vehicle propulsion control apparatus and method

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as of
12/19/2025
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