Phoenix, Arizona
United States
6
2015-09-17
The entities that hold a legal rights for patent applications filed by inventor Petersen David L.:
David L. Petersen from Phoenix, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Golf club heads and methods of manufacturing golf club heads
#2 | 2012-12-20Grooves of golf club heads and methods to manufacture grooves of golf club heads
#3 | 2012-01-12Grooves of golf club heads and methods to manufacture grooves of golf club heads
#4 | 2011-08-18Groove forming machine for manufacturing golf club head
#5 | 2010-02-11Grooves of golf club heads and methods to manufacture grooves of golf club heads
#6 | 2009-01-08Grooves with Multiple Channels and Methods to Manufacture Grooves of a Golf Club Head
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