18 Utility Patents
#7 in Willoughby, OH
#2,905 in Ohio
#97,385 in US
#192,360 in the World
Forward Citations = 280
Company Filing History:
The Louis Berkman Company

Louis Berkman Winter Products Company
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#7 in Willoughby, OH
#2,905 in Ohio
#97,385 in US
#192,360 in the World
Company Filing History:

Get your Inventor Badge Today