§
Luxuse
Patent Intelligence
Sign In
← Back to Companies

Diaphragm & Chemical Co

Diaphragm
Active Patents
0
Total Holdings
2

Patent Holdings

Filter in Explorer →
Patent No. Title Status Filing Date Grant Date Claims Actions
US2456162A Mold Expired / Lapsed 1946-03-13 1948-12-14 0 Details
US2423356A Pessary Expired / Lapsed 1945-07-06 1947-07-01 0 Details