% Expired Patents = 100.0

Forward Citations = 0

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2 inventors (with patents filed for the assignee):

Robert C Knapp (1 out of 41 patents)

Henry H Grell, Jr (1 out of 1 patent)

1 patent: Sort by Forward Citations

#3 in Pinckney, MI

#4,587 in Michigan

#136,739 in US

Bgbk, LLC

Forward Citations = 0

2 inventors:

Robert C Knapp (1 out of 41 patents)

Henry H Grell, Jr (1 out of 1 patent)

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