§
Luxuse
Patent Intelligence
Patents
Companies
Categories
Portfolios
Maintenance
Utilities
Sign In
← Back to Companies
DOHRMANN SALES CO
DOHRMANN S
Active Patents
0
Total Holdings
1
Patent Holdings
Filter in Explorer →
Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US3065687A
Fire door
Expired / Lapsed
1960-11-28
1962-11-27
0
Details