Growing community of inventors

Des Moines, IA, United States of America

Milton C Engman

Average Co-Inventor Count = 1.33

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 = 37

Milton C EngmanStanley J Siberell (1 patent)Milton C EngmanMilton C Engman (2 patents)Stanley J SiberellStanley J Siberell (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Other (1 from 832,891 patents)

2. Emco Industries, Inc. (1 from 5 patents)


2 patents:

1. 4730800 - Universal tailpipe holding bracket

2. 3984134 - Clamp device

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1/1/2026
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