![]() | ![]() | ||
Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
All Patents in class 428/138 | |||||
![]() ![]() ![]() ![]() ![]() ![]() | |||||
Number | Date | Patentee | Title | Type | |
1,850,857 | Mar. 22, 1932 | F. Weindel, Jr. | Greeting card | ||
3,470,598 | Oct. 07, 1969 | V. Berthelsen | Method of making structural elements |