Growing community of inventors

Oak Lawn, IL, United States of America

John Markulin

Average Co-Inventor Count = 1.43

ph-index = 4

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 = 85

John MarkulinMyron D Nicholson (2 patents)John MarkulinNorman Abbye Protnoy (2 patents)John MarkulinPaul Edmund Ducharme, Jr (1 patent)John MarkulinPaul E Ducharme, Jr (1 patent)John MarkulinJohn Markulin (5 patents)Myron D NicholsonMyron D Nicholson (36 patents)Norman Abbye ProtnoyNorman Abbye Protnoy (2 patents)Paul Edmund Ducharme, JrPaul Edmund Ducharme, Jr (10 patents)Paul E Ducharme, JrPaul E Ducharme, Jr (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Viskase Corporation (5 from 190 patents)


5 patents:

1. 5747125 - Fibrous composite cellulosic film and method

2. 5744251 - Cellulosic composition and article

3. 5603884 - Reinforced cellulosic film

4. 5470519 - Method of manufacturing a cellulosic article containing an olefinic

5. 5358765 - Cellulosic article containing an olefinic oxide polymer and method of

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12/13/2025
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