Forward Citations = 41

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2 inventors (with patents filed for the assignee):

John P Stein (1 out of 14 patents)

Norman Burstein (1 out of 1 patent)

1 patent: Sort by Forward Citations

#442 in Philadelphia, PA

#4,883 in Pennsylvania

#133,929 in US

Quartz Tubing, Inc.

Forward Citations = 41

2 inventors:

John P Stein (1 out of 14 patents)

Norman Burstein (1 out of 1 patent)

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