§
Luxuse
Patent Intelligence
Patents
Companies
Categories
Portfolios
Maintenance
Utilities
Sign In
← Back to Companies
Donaldson Co Inc
Donaldson
Active Patents
0
Total Holdings
2
Patent Holdings
Filter in Explorer →
Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US4650506A
Multi-layered microfiltration medium
Expired / Lapsed
1986-02-25
1987-03-17
24
Details
US2684069A
Precision linear-fracture instrument for heart valve surgery
Expired / Lapsed
1952-07-05
1954-07-20
0
Details