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USPTO Data Jan 1 1976 - Dec 16 2025
1 Patents
#317 in Washington, DC
#318 in District of Columbia
#133,784 in US
International Masonry Institute
Forward Citations = 25
5 inventors:
Washington, DC, United States of America
International Masonry Institute
Forward Citations = 25
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5 inventors (with patents filed for the assignee):
Riley H Mayhall (1 out of 14 patents)
Riley H Mayhall, Jr (1 out of 6 patents)
C Paul Miller (1 out of 1 patent)
4. John E Lorenz (1 out of 1 patent)
5. Mark A Smith (1 out of 1 patent)
1 patent:
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