Edmonton, Alberta
Canada
3
2012-08-02
3
2016-04-05
These are the the leading inventors for applications assigned to Plainsman Mfg. Inc.:
Plainsman Mfg. Inc. based in Edmonton, Alberta, CA has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Sucker rod centralizer
#2 | 2009-04-16 ✅ Patent 8,092,191 granted on 2012-01-10Control system for reciprocating device
#3 | 2009-03-19 ✅ Patent 8,082,837 granted on 2011-12-27Control system for reciprocating device
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