17 Utility and 15 Design Patents
#9 in Leominster, MA
#5,511 in Massachusetts
#104,127 in US
#206,185 in the World
rank by utility patentsForward Citations = 719
Company Filing History:
Curtis Manufacturing Company, Inc.
Frem Corporation
Other
4. 3 out of 16
Hyde Manufacturing Company, Inc.
5. 3 out of 146
M. Kamenstein, Inc.
where one patent can have more than one assignee
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