8 Utility Patents
#182 in Littleton, CO
#4,871 in Colorado
#253,725 in US
#518,830 in the World
Forward Citations = 135
Company Filing History:
Manville Corporation
Manville Service Corporation

4. 1 out of 55
Schuller International, Inc.
5. 1 out of 1
Indiana Acoustical Components
where one patent can have more than one assignee
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