Tainan Hsien
Taiwan
3
2008-02-14
3
2009-11-24
These are the the leading inventors for applications assigned to Tech Stell Co., Ltd.:
Tech Stell Co., Ltd. based in Tainan Hsien, TW has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Method for producing hexagonal washer
#2 | 2008-01-10 ✅ Patent 7,331,874 granted on 2008-02-19Method for producing circular washer
#3 | 2007-08-23 ✅ Patent 7,497,652 granted on 2009-03-03Plastic fastening device
403019 ⎘