National Biological Corporation

Calculating rank

USPTO Granted Patents = 2

EPO Patents = 1

Trademarks = 8

Forward Citations = 18

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4 inventors (with patents filed for the assignee):

Michael G Kaufman (1 out of 4 patents)

Steven Hendrix (1 out of 1 patent)

Kenneth Oif (1 out of 1 patent)

4. Jack H Schwartz (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 8486124 - Controlled protocol timer (2013-07-16),

2. D249552 - Walk-in cabinet for radiation treatment of disease (1978-09-19),

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USPTO Data Jan 1 1976 - Oct 27 2026

2 Patents

#21 in Beachwood, OH

#3,644 in Ohio

#94,953 in US

Beachwood, OH, United States of America

National Biological Corporation

Forward Citations = 18

4 inventors:

Michael G Kaufman (1 out of 4 patents)

Steven Hendrix (1 out of 1 patent)

Kenneth Oif (1 out of 1 patent)

4. Jack H Schwartz (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: National Biological Corporation. Retrieved from https://idiyas.com/company/national-biological

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]