8 Utility Patents
#522 in Beaverton, OR
#4,281 in Oregon
#249,587 in US
#508,314 in the World
Forward Citations = 242
Company Filing History:

Protocol Systems, Inc.

4. 1 out of 63
Genetronics, Inc.
5. 1 out of 17
Digital Networks North America, Inc.
where one patent can have more than one assignee
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