13 Utility Patents
#5 in West Kingston, RI
#310 in Rhode Island
#146,282 in US
#293,527 in the World
Forward Citations = 20
Company Filing History:

Rhode Island Board of Education, State of Rhode Island and Providence Plantations
Rhode Island Council on Postsecondary Education
4. 2 out of 6
Pilgrim Screw Corporation
5. 1 out of 831,952 patents
Other
where one patent can have more than one assignee
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