§
Luxuse
Patent Intelligence
Patents
Companies
Categories
Portfolios
Maintenance
Utilities
Sign In
← Back to Companies
PERMOFLUX Corp
PERMOFLUX
Active Patents
0
Total Holdings
1
Patent Holdings
Filter in Explorer →
Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US2820846A
Telephone recording pickups
Expired / Lapsed
1951-05-04
1958-01-21
0
Details