La Palma, California
United States
9
2014-11-06
The entities that hold a legal rights for patent applications filed by inventor Roberts Douglas E.:
Douglas E. Roberts from La Palma, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Muscle-back, with insert, iron type golf club head
#2 | 2013-08-22Muscle-back, with insert, iron type golf club head
#3 | 2012-03-29Muscle-back, with insert, iron type golf club head
#4 | 2012-03-29Muscle-back, with insert, iron type golf club head
#5 | 2009-09-24Muscle-back, with insert, iron type golf club head
#6 | 2008-03-06Muscle back, with insert, iron type golf club head
#7 | 2007-04-05Iron-type golf club head with sole having stable static address position
#8 | 2007-02-08Set of golf clubs
#9 | 2006-07-27Muscle-back, with insert, iron type golf club head
402920 ⎘